Hydrolagus macrophthalmus de Buen, 1959

Description


This species is distinguished by the following set of characters: slender body; short and bluntly rounded snout; relatively short head (HDL 24.2-24.5% BDL); relatively large eyes (EYL 30.9-34.2% HDL); oral and preopercular lateral line canals sharing a short common branch from the infraorbital canal; relatively large pectoral fins (P1A 36.5-40.8% BDL), extending posterior to the insertion of pelvic fins; trunk's lateral line canal without sinusoidal undulations; the anterior and posterior regions of second dorsal fin considerably taller than middle region; no anal fin; tail region elongate and slender (PCA 58.3-59.9% BDL); caudal-fin axis horizontal with the fin nearly symmetrical, epaxial and hypaxial lobes equal sized; coloration uniform brown across entire body, no white markings and bluish fins (Ref. 97389).

Taxonomic Hierarchy


Kingdom: Animalia

Phylum: Chordata

Class: Holocephali

Order: Chimaeriformes

Family: Chimaeridae

Genus: Hydrolagus

Species: Hydrolagus macrophthalmus de Buen, 1959

Climate Zone


  • Subtropical
  • Location


    Biology


    Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).

    Habitat


    bathydemersal