Looking for the last shrimp

Half-grown pot-bellied seahorses, Hippocampus abdominalis, searching in the feeding station. Note the cone at the bottom of the central tube which directs the shrimps through slots into the feeding dish (see previous image for more details).

Correction: The sign over this tank explains that these are Hippocampus reidi (longsnout seahorses). I don't know how I made that mistake. The sign also said that they were bred at Weymouth SLC

Correction: The sign over this tank explains that these are Hippocampus reidi (longsnout seahorses). I don't know how I made that mistake because I got it right in my text post