I love making animal lists, and I think this one is appropiate for this thread, tough they're not "the worst misses" but all species that I've
seen in captivity (mainly in zoos) but I didn't
photographed (to get a complete collection of photos is the most important for me):
Mountain reedbuck
Redunca fulvorufula (Berlin, was too much unaesthetic because the wire wall)
Siberian musk deer
Moschus moschiferus (Berlin I think, too much far for my compact camera)
White-tailed deer
Odocoileus virginianus (animal exposition, before I had a camera)
Javan mouse deer
Tragulus javanicus (Fuengirola zoo, a quick sight before it hide in the bushes)
Raccoon dog
Nyctereutes procyonoides (Oasis del Valle park, without a camera)
Corsac fox
Vulpes corsac (Jardin des Plantes, unaesthetic behid the wire wall)
Bobcat
Lynx rufus (Taipei zoo, nocturnal house, too much dark for photograph)
Leopard cat
Prionailurus bengalensis (I think same than previous)
Yellow-throated marten
Martes flavigula (Berlin, unaesthetic behind the wire wall)
Kinkajou
Potos flavus
Sloth bear
Melursus ursinus (Berlin, too much far for my compact camera)
Franquet's epauletted fruit bat
Epomops franqueti (Plzen, nocturnal house, too much dark for photograph)
Greater hegdehog tenrec
Setifer setosus (pet shop, but asleep, just a spiny ball surrounded by frass, too much unaesthetic)
Gray short-tailed opossum
Monodelphis domestica (pet shop, before I had a camera)
Brown dorcopsis
Dorcopsis muelleri (Prague, nocturnal house, too much dark for focus, I've tried desperately but it was impossible)
Sugar glider
Petaurus breviceps (the old Valencia zoo, nocturnal house, much behore I had a camera)
Ground cuscus
Phalanger gymnotis (Prague, behind scenes, in personal office room, inside a cage but impossible to make a photo that is not just wire mesh with a cuscus shape behind the wire)
Long-haired spider monkey
Ateles belzebuth
Red-faced spider monkey
Ateles paniscus
White-faced capuchin
Cebus capucinus (I think it was in Aguilas Jungle Park, Canary Is)
Bolivian squirrel monkey
Saimiri boliviensis (various different zoos, but always behind a wire mesh)
Mantled guereza
Colobus guereza (Fuengirola, I don't know why I didn't took photos)
Fat-tailed dwarf lemur
Cheirogaleus medius (Taipei zoo, nocturnal house, too much dark for photos)
Alaotra gentle lemur
Hapalemur alaotrensis
Grey mouse lemur
Microcebus murinus (I think it was in Faunia, nocturnal house, too much dark for photos)
Sunda slow loris
Nycticebus coucang (Taipei zoo, nocturnal house, too much dark for photos)
Potto
Perodicticus potto
Buff-cheeked gibbon
Hylobates gabriellae
Southern gray gibbon
Hylobates muelleri
Azara's aguti
Dasyprocta azarae
Red-rumped aguti
Dasyprocta leporina
Malayan porcupine
Hystrix brachyura (Taipei zoo, nocturnal house, too much dark for photos)
Natal multimammate mouse
Mastomys natalensis (pet shop, too much hidden for photos)
Malagasy giant jumping rat
Hypogeomys antimena (London, nocturnal house, too much dark for photos)
Grey-faced buzzard
Butastur indicus (Taipei zoo, too much far for photos)
Red-backed hawk
Buteo polyosoma (Raptor exhibition at medieval fair, without camera. After Faunia during show, but too much supercrowded for try a photo)
Himalayan griffon
Gyps himalayensis (Jardin des Plantes, I was just stupid for not take a photo!)
Brahminy kite
Haliastur indus (Taipei zoo, too much far for photos)
Green-winged teal
Anas crecca (Köln zoo, but a female, I need a male for photos)
Ring-necked duck
Aythya collaris (Köln zoo, females, I want male for photos)
Tufted duck
Aythya fuligula (in several places before getting a camera, but none after)
Greater scaup
Aythya marila
Blue-winged goose
Cyanochen cyanopterus (Berlin, too much far for photos)
Black-bellied whistling duck
Dendrocygna autumnalis (Cosmocaixa Barcelona, too much dark for photos and behind a too much dirty glass)
Hooded merganser
Mergus cucullatus (I only had good photograph chances with females, I want a male)
Freckled duck
Stictonetta naevosa (Berlin, behind a wire mesh, too much unaesthetic)
Black-faced ibis
Theristicus melanopis (London, I don't know if also seen at Liberec?)
Ashy wood pigeon
Columba pulchricollis (Taipei zoo, too much branches and foliage)
Zoe's imperial pigeon
Ducula zoeae (London, enclosure too much dark)
Sulawesi ground dove
Gallicolumba tristigmata (Berlin. I was too pendant of Trumpet Manucode in same enclosure, and when I turned my attention to the other birds in the enclosure, the ground dove had evanished)
Dusky turtle dove
Streptopelia lugens (Plzen, enclosure too much full of branches and vegetation and dense wire mesh, good photograph was almost impossible)
Blyth's hornbill
Aceros plicatus
Black and white casqued hornbill
Bycanistes subcylindricus
Fischer's turaco
Tauraco fischeri
Yellow-knobbed curassow
Crax daubentoni (Faunia, was a female, I want a male)
Bare-faced curassow
Crax fasciolata (Cosmocaixa Barcelona, hiding behind branches and foliage, impossible to get a good photo)
Tongan megapode
Megapodius pritchardii (San Diego, too much dark (near closure of the zoo) and too much far inside the enclosure)
Chinese painted quail
Coturnix chinensis (pets shops and various places, but either inside an unaesthetic cage with bars appearing in the photo, or quickly hiding under bushes)
Japanese quail
Coturnix japonica (found one escaped and caught it, but I had my camera under repair)
Blue eared pheasant
Crossoptilon auritum (Taipei zoo)
Ceylon junglefowl
Gallus lafayettei (Berlin, it was a female, I need a male)
Salvadori's pheasant
Lophura inornata (Plzen, too close to the wire mesh for photograph)
Jungle bush quail
Perdicula asiatica (Plzen, a couple, they was crazy nervous, running endless from side to side of the enclosure if I was enough close, so impossible to take a photo of a never quiet animal. A great miss, I like this species a lot)
Reeve's pheasant
Syrmaticus reevesii (some places before I had a camera, others such as Berlin too much dark for photograph)
Black crake
Amaurornis flavirostris (Plzen, Madagascar house, seen from far while I was photographing other animals, when I arrived to it's enclosure, the crake had evanished)
Yellow grosbeak
Pheucticus chrysopeplus (Pet shop, without camera)
Jungle crow
Corvus macrorhynchos (Taipei zoo)
Plush-crested jay
Cyanocorax chrysops (Berlin, too much far for photos)
Formosan blue magpie
Urocissa caerulea (Taipei zoo)
Grey-headed silverbill
Lonchura griseicapilla (pet shop, impossible to take photos, there is a glass that don't allow to get close to the cages)
Scaly-breasted munia
Lonchura punctulata (had it as pet, but my camera was under repair)
Desert finch
Rhodopechys obsoleta (Berlin, too much dark for photos)
Grey finch
Serinus leucopygius (pet shops, wire cages unaesthetic)
Yellow-fronted canary
Serinus mozambicus (same than previous plus London Butterfly House, where it flied quickly not allowing a photo)
Red-rumped cacique
Cacicus haemorrhous (Berlin, too much far for photos)
Green oropendola
Psarocolius viridis (Faunia, seen just a brief sight flying and disappearing in the treetops)
Helmeted friarbird
Philemon buceroides (Prague, too much dark for photos)
Grey-headed parrotbill
Paradoxornis gularis (Prague, behind the scenes (because of flooding), the bird was too nervous for get it close to my compact camera... Ahhh if I had then the much better camera that I got after my Czech visit...! One of the worst misses, I like this bird very much)
Village weaver
Ploceus cucullatus (had one as pet, but without camera)
Village indigobird
Vidua chalybeata (seen at pet shop, without camera)
Pin-tailed wyhdah
Vidua macroura (seen at diverse pet shops and a garden center, but without camera)
Red-whiskered bulbul
Pycnonotus jocosus (Fuengirola)
Lesser necklaced laughingthrush
Garrulax monileger
Rusty laughingthrush
Garrulax poecilorhynchus (Taipei zoo)
Common flameback
Dinopium javanense (Barcelona, much before I had a camera)
Crimson-rumped toucanet
Aulacorhynchus haematopygus (Barcelona, much before I had a camera)
Yellow-tailed black cockatoo
Calyptorhynchus funereus (Loro Park, sitting again the wire mesh, too much unaesthetic)
Black-winged lory
Eos cyanogenia (San Diego, seen at the enclosure but I was pending of orientation problems, when I passed again by the enclosure, the lory had evanished)
Saint Vincent amazon
Amazona guildingii (Loro Park, before I had a camera. In my next visit with the good camera, it had evanished from the public collection (going to the private breeding center) and replaced with Lear's macaws in the same enclosure... A great miss)
Cuban amazon
Amazona leucocephala (I think Munich? Too much dark for photos)
Fiery-shouldered parakeet
Pyrrhura egregia
Crimson-bellied parakeet
Pyrrhura perlata (Jardin del Papagayo)
Painted parakeet
Pyrrhura picta (Jardin del Papagayo)
Vermiculated eagle owl
Bubo cinerascens (Berlin, too much far for photos, I've tried, but the result was too blurry)
Spot-bellied eagle owl
Bubo nipalensis (Jardin des Plantes, too much hidden in the foliage and looking backwards)
Barred eagle owl
Bubo sumatranus (Berlin, too much dark for photos)
Tawny fish owl
Ketupa flavipes (Taipei zoo, nocturnal house, too much dark for photos)
Indian scops owl
Otus bakkamoena (Taipei zoo)
Rusty-barred owl
Strix hylophila (Berlin)
African grass owl
Tyto capensis (Taipei zoo, nocturnal house, too much dark for photos)
Bell's hingeback tortoise
Kinixys belliana
Spiny softshell turtle
Apalone spinifera
Cuvier's dwarf caiman
Paleosuchus palpebrosus (Cosmocaixa Barcelona, just two eyes above water surface, not enough for a photo)
New Guinea crocodyle
Crocodylus novaeguineae (Berlin, too much far for photos)
Children's python
Antaresia childreni
Cook's tree boa
Corallus cooki (Cosmocaixa Barcelona, too much far/hidden/dirty glass for a decent photo)
Kenya sand boa
Eryx colubrinus
Tartar sand boa
Eryx tataricus
Japanese rat snake
Elaphe climacophora
Russian rat snake
Elaphe schrenkii
Tentacled snake
Erpeton tentaculatum (San Diego, seen only part of the body in the most hidden and far corner of the enclosure, very bad for a photo, an important miss...)
Pacific gopher snake
Pituophis catenifer (pet shop, seen only a very small portion of body under the covering)
Monocled cobra
Naja kaouthia
Nubian cobra
Naja nubiae
Tokay gecko
Gekko gecko (seen as a pet of a friend but didn't took photos, seen also in pet shops but only the tail in one and also partially hidden in the soil in other)
Pasteur's day gecko
Phelsuma pasteuri (pet shop, too much hidden)
Crested gecko
Rhacodactylus ciliatus (various places, always too much hidden)
Dune gecko
Stenodactylus sthenodactylus (pet shop, too much hidden)
Giant leaf-tailed gecko
Uroplatus fimbriatus (much before I had a camera)
Knight anole
Anolis equestris (pet shop)
Iberian rock lizard
Lacerta monticola (private pet)
Algerian skink
Eumeces algeriensis (pet shop)
Rainer Günther's monitor
Varanus rainerguentheri (Köln zoo, I took a photo and I accidentally deleted it!!!!)
Tricolor monitor
Varanus yuwonoi (Köln zoo, too much hidden behind some branches, unaesthetic photo)
Malayan ground pit viper
Calloselasma rhodostoma (London)
Saw-scaled viper
Echis carinatus (London)
Ceylon pit viper
Trimeresurus trigonocephalus (Faunia, too much hidden between foliage)
Cururu toad
Bufo schneideri
European fire-bellied toad
Bombina bombina (Berlin)
Riobamba marsupial frog
Gastrotheca riobambae (Jardin des Plantes)
Long-nosed horned frog
Megophrys nasuta (Madrid and a pet shop)
Madagascar tomato frog
Dyscophus antongilii (Barcelona)
Surinam toad
Pipa pipa
Bangkimtsing frog
Rana swinhoana (Taipei zoo)
Cayenne caecilian
Typhlonectes compressicauda (pet shop. It swimmed too quicky hiding before I had the chance of photograph it. A very great miss since I have a photo of the other species (
T. natans) but is the most horrible of all the thousands of animal photos that I have, so I need to replace it)
Great crested newt
Triturus cristatus (private pet)
European conger
Conger conger (Oceanographic Valencia, against the tank glass, very unaesthetic photo)
Banded rainbowfish
Melanotaenia trifasciata
Splitfin flashlightfish
Anomalops katoptron (Berlin - obviously too dark for photograph! A very bad miss!)
Redflank bloodfin
Aphyocharax rathbuni
Mexican tetra
Astyanax mexicanus (Berlin)
Black widow tetra
Gymnocorymbus ternetzi (realized that my photo is misidentified, so I need to replace it)
Rosy tetra
Hyphessobrycon rosaceus
Red line lizard tetra
Iguanodectes geisleri (pet shop, swimming too quickly)
Stone loach
Barbatula barbatula (König museum, hiding between pebbles too much far from the glass front of the tank)
Beaufortia leveretti (pet shop)
Beautiful hillstream loach
Traccacichthys pulcher (pet shop)
Barbus trispilos (pet shop)
Dadio
Laubuca dadiburjori (pet shop)
Valencia toothcarp
Valencia hispanica (old Valencia zoo, much before I had a camera)
Flathead grey mullet
Mugil cephalus (Barcelona aquarium)
African arowana
Heterotis niloticus (Taipei zoo)
Black arowana
Osteoglossum ferreirai (Prague sea world aquarium)
Greater amberjack
Seriola dumerili (Barcelona aquarium)
Beaked coralfish
Chelmon muelleri (Berlin)
Blacknosed butterflyfish
Johnrandallia nigrirostris (SeaWorld San Diego, Voyage to Atlantish, former Commerson's dolphin tank. A great miss... I saw the fish in a small corner of one of the photos of the spotted eagle rays. But at home, I incidentally deleted just the photo that had the butterflyfish

)
Altolamprologus calvus
Chilotilapia rhoadesii (pet shop)
T-bar cichlid
Cryptoheros sajica (pet shop)
Blood-red jewel cichlid
Hemichromis lifalili (pet shop)
Pearlscale cichlid
Herichthys carpintis (pet shop)
Lamprologus tigripictilis (pet shop)
Daffodil cichlid
Neolamprologus pulcher
Dwarf egyptian mouthbrooder
Pseudocrenilabrus multicolor (pet shop)
Three-spotted eartheater
Satanoperca daemon (pet shop)
Spotted tilapia
Tilapia mariae
Zebra goby
Lythrypnus zebra (Birch Aquarium. I looked exhaustively at every corner of the tank during long time, looking for it... The tank was shared with Catalina gobies, but I didn't saw the zebra goby. However at home, part of the body of a Zebra goby appeared in a corner of one photo of Catalina goby... Too blurry and cut for be saved

)
Jeweled wrasse
Halichoeres lapillus
Symphodus rostratus (Barcelona aquarium)
Eyespot gourami
Parasphaerichthys ocellatus (pet shop, swimming too quickly for photos)
Snakeskin gourami
Trichogaster pectoralis
Gray angelfish
Pomacanthus arcuatus
Chocolatedip chromis
Chromis dimidiata
Shi drum
Umbrina cirrosa (Barcelona aquarium, swimming too quickly for photos)
Bogue
Boops boops (Loro Park, penguin house, inside an enormous acrylic cylinder. I had not a digital camera then. During my second visit, with a good camera, the bogues has been replaced by European seabass

)
Sharpsnout seabream
Diplodus puntazzo (Barcelona aquarium)
Saddled seabream
Oblada melanura
Red porgy
Pagrus pagrus (Barcelona aquarium)
Black seabream
Spondyliosoma cantharus (Barcelona aquarium)
European flounder Platichthys flesus
Crystal-eyed catfish
Hemibagrus wyckii (Saragossa fluvial aquarium. Pressed against the fron glass with head hidden in the submerged trunks used for decoration. Too much unaesthetic photo)
Red fin thresher pleco
Squaliforma emarginata (pet shop)
Barred spiny eel
Macrognathus pancalus (pet shop)
Swellshark
Cephaloscyllium ventriosum (Birch Aquarium. Under the front glass, in a way that only a very oblique angle of photo is possible, the result was very blurry and distorsioned so I had to delete the photo)
Bullray
Pteromylaeus bovinus (Oceanographic Valencia, before having a digital camera)
Common starfish
Asterias rubens (Berlin, too blurry glass)
Tiger spider
Linothere fallax (Köln zoo, too much hidden inside the spiderweb)
Bluegreen pinktoe tarantula
Avicularia geroldi (pet shop, too much hidden)
Asian fawn tarantula
Chilobrachys huahini (pet shop, too much hidden)
Belize cinnamon tarantula
Crassicrus lamanai (pet shop, too much hidden)
Brazilian blue beauty tarantula
Dolichothele diamantinensis (pet shop, too much hidden)
Bahia scarlet tarantula
Lasiodora klugi
Lowland ornamental tarantula
Poecilotheria bara (pet shop, too much hidden)
Purple hermit crab
Coenobita brevimanus (pet shop, too much hidden)
Danas hermit crab
Clibanarius striolatus (Duisburg, too far from front glass)
Striped reef lobster
Enoplometopus daumi (pet shop, hidden behind some corals/rocks, impossible to make a decent photo, a very big miss

)
Donald Duck shrimp
Leander plumosus (pet shop, far from the (too much dirty) glass front and quickly moving even more far... A very big miss)
Small European locust lobster
Scyllarus arctus (Barcelona aquarium, embibbed into rock crevice, not possible a decent aesthetic photo)
Blue boxer shrimp
Stenopus tenuirostris (aquarium shop, various visits but always very far from the glass front, until every individual was sold or died)
Thermonectus nigrofasciatus (San Diego, insect house, in aquarium mixed with many
Th. marmoratus, only one
nigrofasciatus seen, but swimming too quickly and disappearing in aquatic mosses quickly)
Australian cockroach
Periplaneta australasiae (Berlin, insidde the terrarium of Chalcosoma atlas, probably an escaped one used for reptile food, but it was in a position that made photographs impossible)
Ghost mantis
Phyllocrania paradoxa
Automedon giant owl
Eryphanis automedon (Faunia)
Great ramshorn snail
Planorbarius corneus (pet shops, not photographed due to lack of interest basically)
Dolabella auricula (aquarium shop, pressed in a corner of the tank, in a very unaesthetic way for photographs)
Achatina albopicta (Plzen, the terrarium is in bad position for photographs, seen from over a wall)
Jewell anemone
Corynactis viridis (La Rochelle aquarium)
Brush coral
Acropora hyacinthus (Madrid)
Octopus coral
Galaxea fascicularis (Madrid)
There are also some domestic forms that I've seen several times but not photographed because I need photos of natural-looking individuals withy a coat colour as similar as wild ancestor as possible, and I only saw different coloured ones. Including domestic sheep and goat, llama, Guinea pig, golden hamster, etc. Certainly not regretable misses.
Anybody here also keeps a list of the species that they have seen in captivity but didn't managed to photograph yet?