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The white-edged lyretail (Variola albimarginata), also known as the white-edge coronation trout, lyretail grouper, lyretail trout, white-edged lyretail-cod or white-fringed moontail-bass, is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is part of the family Serranidae, which also includes the anthias and sea basses.
Apart from the tail or caudal fin, fins have no direct connection with the spine and are supported by muscles only. Their principal function is to help the fish swim. Fins can also be used for gliding or crawling, as seen in the flying fish and frogfish. Fins located in different places on the fish serve different purposes, such as moving ...
The dorsal fin has a yellow or gold margin to the membranes in its spiny part. The soft-rayed part of the dorsal fin and the anal fin are dusky away from their bases and have a distinct white margin. The caudal fin has a white margin on its upper and lower distal edges also white-edged while the pectoral fins are yellowish or reddish orange. [2]
The caudal fin is the tail fin (from the Latin cauda meaning tail), located at the end of the caudal peduncle. It is used for propulsion in most taxa (see also body-caudal fin locomotion). The tail fin is supported by the vertebrae of the axial skeleton and pterygiophores (radials). Depending on the relationship with the axial skeleton, four ...
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Cod have a distinct white lateral line running from the gill slit above the pectoral fin, to the base of the caudal or tail fin. The back tends to be a greenish to sandy brown, and shows extensive mottling, especially towards the lighter sides and white belly.
The spiny dorsal fin of Murray cod is moderate to low in height and is partially separated by a notch from the high, rounded soft dorsal fin. [10] Soft dorsal, anal, and caudal (tail) fins are all large and rounded, and are dusky grey or black with distinct white edges. [8] [7] The large, rounded pectoral fins are usually similar in colour to ...
The whitespotted grouper (Epinephelus coeruleopunctatus), also known as the rankin cod, ocellated rockcod, small-spotted cod, white-spotted reef-cod or whitespotted rockcod, is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is part of the family Serranidae, which also includes the anthias and sea basses.