Elongated bristlemouth fish (Gonostoma elongatum) fish species and information / pictures of Elongated bristlemouth fish - Gonostoma elongatum

Elongated bristlemouth fish (Gonostoma elongatum) fish species information

Scientific Name
Gonostoma elongatum

Common Name
Elongated bristlemouth fish

Biology
Meso- to bathypelagic (Ref. 58302). Occur between 100-200 m and 500-800 m at night and 25-600 m and 1,250-1,500 m during the day (Ref. 4463). Feed on crustaceans and small fishes (Ref. 4769). Photophores develop in fishes over 6-22 mm SL (Ref. 4769). Protandric hermaphrodite, oviparous with planktonic eggs and larvae (Ref. 35800).

Classification

Classified By
G?nther, 1878
Class
Ray-finned fishes (Actinopterygii)
Order
Lightfishes and Dragonfishes (Stomiiformes)
Family
Bristlemouths (Gonostomatidae)

Distribution

Region
Worldwide. Mediterranean (Ref. 85016). Eastern Atlantic
Distribution
Worldwide. Mediterranean (Ref. 85016). Eastern Atlantic: scattered records from Iceland (Ref. 4769) south to Cape Verde and Gulf of Guinea; also between 30?S-35?S. Western Atlantic: Gulf of Mexico (Ref. 27768). North Atlantic: 65?-30?N. Indo-Pacific: in tropical and subtropical waters. Eastern Pacific: found in California and Baja California (Ref. 35800), and Chile (Ref. 9068). Indian Ocean, tropical and subtropical waters (Ref. 47377). South China Sea and East China Sea (Ref.74511).
Range
65°N -

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
4740 m
Zone
bathyalpelagic
Environment
Marine; bathypelagic; depth range 0 - 4740 m (Ref. 58018), usually 500 - 1200 m
Trophic Level
3.3 s.e. 0.40 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
27.5 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: of no interest
Vulnerability
Moderate vulnerability (37 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