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The Priacanthidae, the bigeyes, are a family of 18 species of marine ray-finned fishes."Catalufa" is an alternate common name for some members of the Priacanthidae.The etymology of the scientific name (prioo-, to bite + akantha, thorn) refers to the family's very rough, spined scales.
The Atlantic bigeye is a small to medium sized perciform fish. Almost all parts of the fish are entirely reddish-orange, including the eyes. The dorsal fin has 10 spines, and 14 rays. The anal fin has 3 spines and 15 rays. Atlantic bigeye are commonly found at around 14 in. The IGFA world record is 50 cm, or about 20", caught in 2001. [1]
This first spine protrudes above the fish's eyes and terminates in an irregular growth of flesh (the esca), and can move in all directions. Anglerfish can wiggle the esca to make it resemble a prey animal, which lures the anglerfish's prey close enough for the anglerfish to devour them whole. [ 31 ]
The most noticeable characteristic of Pristigenys alta is its very large eyes. This species is blunt, bright red, and ovate, with a flattened, disk-like body. It is commonly about 20 cm long, but can grow to a maximum length of 30 cm. [4] It has rough scales, and large ventral fins.
The tail fin is rounded. The fish has an elongated oval shape as an adult and is laterally compressed. It is red in color, and all the fins may be yellowish except the pectorals, which are pink to colorless. The membranes between the dorsal spines may be slightly darkened to totally black, and the long pelvic fins may be quite dark.
The large pectoral fins are normally carried horizontally, perhaps helping the fish attain the profile of a shark. The first dorsal fin has six to nine independent, short, stout, sharp spines. The family name Rachycentridae, from the Greek words rhachis ("spine") and kentron ("sting"), was inspired by these dorsal spines. The mature cobia has a ...
The membranes between the dorsal fin spines are not notched. The caudal fin is truncate or emarginate. The ovell colour of the head, body, and fins purplish grey to brownish grey, marked with brown to golden-brown spots on the head and wavy horizontal brown or golden brown lines on the upper body, although these may be indistinct on larger fish.
The black moor is a black variant of the telescope goldfish that has a characteristic pair of protruding eyes. Black telescopes are commonly known as Black Moors, Blackamoors (archaic) [4] or just Moors, a reference to the black North African Muslim inhabitants of Al-Andalus. Black moors are believed to originate from China in the 1400s.
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