Monognathus boehlkei Bertelsen & Nielsen, 1987

Description


Dorsal soft rays (total): 130 - 150; Anal soft rays: 110 - 130. M. boehlkei differs from all other species of the genus by the high number of anal fin rays (110-130 vs. 42-88) and by an obtuse angle between rostral fang and frontal profile of skull. It is further distinguished by the following combination of characters: head short, snout blunt, skull length4.2-5.2% TL, rostral fang with dorsal profile slightly concave, anal fin origin below dorsal fin rays number 7-13, pectoral fin 2-3% TL, lower jaw nearly straight, and 6 lateral, subdermal spots of pigmentation (Ref. 34506).

Taxonomic Hierarchy


Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Saccopharyngiformes

Family: Monognathidae

Genus: Monognathus

Species: Monognathus boehlkei Bertelsen & Nielsen, 1987

Climate Zone


  • bathypelagic
  • Biology


    All specimens were taken in closing nets, one between 2500 and 3500 m with a bottom depth of 4563 m and the other specimens between 10-3- m above the bottom with soundings from 2960-5430 m (Ref. 34506).

    Habitat


    bathypelagic

    Conservation Status


    Data deficient

    Threat to Humans


    Harmless

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    Monognathus boehlkei Bertelsen & Nielsen, 1987