Otolithes ruber
Otolithes ruber
Kingdom: Animalia
Phylum: Chordata
Sub phylum : Vertebrata
Class: ActinopterygiiÂ
Otolithes ruber, commonly known as the tiger tooth croaker, silver teraglin, wire tooth, snapper Kob, snapper salmon, Yankee whiting or Yankee salmon is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This species is found in the Indo-Pacific region. Otolithes ruber has the specific name ruber which means "red", the fish was described as red but is, in fact, silvery.[8]
DESCRIPTION
Otolithes ruber has a brownish upper body, frequently showing diagonal black streaking, while the lower body is silvery with a gold lustre.
The anal fin, pectoral fins and pelvic fins are reddish brown.
The dorsal fin has 10 spines in the first part of the fin, an incision, then a single spine and between 27 and 30 soft rays supporting the fin to the rear of the incision.
The anal fin is supported by 2 spines and 7 soft rays.
This species reaches a maximum published total length of 90 cm (35 in), although 40 cm (16 in) is more typical.
DISTRIBUTION AND HABITAT
Otolithes ruber is found in the Indo-West Pacific from South Africa and Madagascar east into the Western Pacific as far as eastern Australia.
It occurs at depths between 3 and 100 m (9.8 and 328.1 ft) in brackish and marine waters over sand, mud and rock substrates.
MIGRATION
Amphidromous. Refers to fishes that regularly migrate between freshwater and the sea (in both directions), but not for the purpose of breeding, as in anadromous and catadromous species. Sub-division of diadromous. Migrations should be cyclical and predictable and cover more than 100 km.
BIOLOGY
Otolithes ruber feed on planktonic crustaceans near the surface as juveniles and as adults they prey on benthic invertebrates and fishes.
FISHERIES
Otolithes ruber is caught in mixed species fisheries and as bycatch throughout its range. The fish landed are sold fresh or preserved by drying or salting.