Black sea bass
(Centropristis striata)

The black sea bass (Centropristis striata) is a species of marine ray-finned fish, a sea bass from the subfamily Serraninae which is part of the family Serranidae, which also includes the groupers and anthias. It is found in the western Atlantic Ocean where it is an important species for commercial and recreational fisheries.

Description
The black sea bass has an oblong, laterally compressed body. It has a large mouth, armed with bands of teeth on the jaw and with a triangular patch of teeth in the front part roof of the mouth and more teeth along the sides of that area, the mouth extending as far as below the middle of the eye. The preopercle has fine serrations on its margin and is evenly rounded, while the gill cover bears three flat spines. The dorsal fin has ten spines, the front spines being longer than the rearmost, and 11 soft rays. The membranes between the spines of the dorsal fin are deeply notched. The anal fin has three spines and seven soft rays. The caudal fin has three lobes created by the long and pointed upper, middle and lower rays.

The colour pattern is normally smoky grey, dusky brown or blue-black on the back and upper body fading towards the underside. In the middle of each scale there is a is pale blue to white spot and these form longitudinal stripes along the back and flanks. The dorsal fin has a series of white spots and bands along its length. The flanks can frequently appear mottled or have dark and light vertical barring. In the breeding season the males develop bright fluorescent blue and green around the eyes and nape[4] and a hump on the head[5] contrasting with the paler and duller females which are brownish or blue-grey in colour. The juveniles are found in four colour phases; the first is an overall light grey phase which has small dark spots, there is a dark phase which has pale white spots, a striped phase with a longitudinal dark stripe and a barred phase which has six vertical bars.

This species attains a maximum total length of 66 centimetres (26 in), however they are ore normally found at a total length of around 30 centimetres (12 in), and a maximum published weight of 4.1 kilograms (9.0 lb).

Distribution
The black sea bass is found in the western Atlantic Ocean from Nova Scotia south along the eastern coast of North America as far as the Florida Keys and into the Gulf of Mexico as far as Louisiana where the western limit is just to the west of the Mississippi Delta.