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Fingerling – refers to a fish that has reached the stage where the fins can be extended and protective scales have covered the body. [4] At this stage, the fish is typically about the size of a human finger, [5] hence the name. Once reaching this stage, the fish can be considered a juvenile, and is usually active enough to move around a large ...
Lutjanus johnii has a moderatel deep body in which its standard length is 2,4 to 2.9 its depth at the deepest point. It has a steeply sloped forehead and the incision and know on the preoperculum are weakly developed The vomerine teeth are arranged in a crescent shaped patch with no rearwards extension although there is a patch of granular teeth on the tongue. [5]
Whereas FishBase is a database about adult finfish, LarvalBase is a database about the juvenile stages of fish. Juvenile fish often feed differently and occupy different habitats than the adults do. LarvalBase complements FishBase by providing information about these early stages of life. [2]
Lutjanus fulviflamma, the dory snapper, blackspot snapper, black-spot sea perch, finger-mark bream, long-spot snapper, Moses perch or red bream, [3] is a species of marine ray-finned fish belonging to the family Lutjanidae, the snappers. It has a wide Indo-Pacific distribution.
The exceptionally large pectoral fins enable this fish to glide for long distances above the surface of the water. The upper parts of the body are an iridescent dark blue colour while the belly is silvery white. The pectoral fins and tail fin are greyish while the other fins are colourless. Juvenile fish are sometimes barred with black. [3]
Juvenile fish tend to have bright colours which are completely different from the appearance of adults of that species. [5] The brown color of Stegastes apicalis was shown to arise from melanosomes containing pheomelanin [6] unlike most fish species's melanosomes that contain eumelanin. [7]
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It normally occurs between 0 and 20 m (0–66 ft) in depth, although both eggs and fry can be encountered as deep as 68 m (223 ft). The adult fish stay close to the bottom in daytime and rise up towards the surface at night. The juvenile fish move away from the shore where they spend their larval stage in shallow water.