Broadfin lampfish (Nannobrachium ritteri) fish species and information / pictures of Broadfin lampfish - Nannobrachium ritteri

Broadfin lampfish (Nannobrachium ritteri) fish species information

Scientific Name
Nannobrachium ritteri

Common Name
Broadfin lampfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 14-16; Anal spines: 0; Anal soft rays: 18 - 19; Vertebrae: 36 - 38. 15-16 AO photophores; 7-8 tooth patches on lower limb of second gill arch; 35-38 lateral line organs (Ref. 36121). Pectoral fins well developed with rather robust, stout rays (Ref. 36121). Nearly black to metallic blue dorsally, lighter on sides, black in mouth and gill cavity; fins dusky, marked with fine wavy lines (Ref. 6885).

Classification

Classified By
Gilbert, 1915
Class
Ray-finned fishes (Actinopterygii)
Order
Lanternfishes (Myctophiformes)
Family
Lanternfishes (Myctophidae)

Distribution

Region
Northeast Pacific
Distribution
Northeast Pacific: British Columbia, Canada to Baja California, Mexico. Bekker (1983) reported a distribution from off Central and South America but this is an error (Ref. 36121). Larvae collected from Taiwan Strait (Ref. 43570).
Range
54°N - 18°N, 135°E - 111°W

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
20 m
Depth To - meters
1095 m
Zone
bathyalpelagic
Environment
Marine; bathypelagic; depth range 20 - 1095 m (Ref. 6885)
Trophic Level
3.37 s.e. 0.45 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
12.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low to moderate vulnerability (31 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated