Opisthonema medirastre Berry & Barrett, 1963

Description


Dorsal spines (total): 0; Dorsal soft rays (total): 13 - 21; Anal spines: 0; Anal soft rays: 12 - 23. Body moderately deep and compressed; posterior edge of gill openings with two clearly visible, fleshy, protuberances; gill rakers numerous, 41 to 69 on ceratobranchial (in fish longer than 14 cm total length); last dorsal ray elongated and filamentous; back gray-green with silver-white flanks and a black spot behind the gill slit followed by a yellow lateral strip (Ref. 55763). The filamentous last dorsal fin ray distinguishes it from members of any other eastern Pacific clupeoid genus. Separated from other eastern Pacific Opisthonema by having 41 to 69 lower gill rakers in fishes over 14 cm standard length.

Common Names


No common names available.

Taxonomic Hierarchy


Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Clupeiformes

Family: Dorosomatidae

Genus: Opisthonema

Species: Opisthonema medirastre Berry & Barrett, 1963

Climate Zone


  • Subtropical
  • Location


    Biology


    Usually found near shore, forming schools. Feeds on crustaceans and pteropods.

    Habitat


    neritic