Pacific portholefish (Diplophos taenia) fish species and information / pictures of Pacific portholefish - Diplophos taenia

Pacific portholefish (Diplophos taenia) fish species information

Scientific Name
Diplophos taenia

Common Name
Pacific portholefish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 10-11; Anal spines: 0; Anal soft rays: 59 - 72; Vertebrae: 89 - 99. Black-brown dorsally, flanks silver; fins colorless (Ref. 3991). Branchiostegal rays: 12-14 (Ref. 35800). Slender form, high anal-ray and photophore counts (Ref. 37473).

Classification

Classified By
G?nther, 1873
Class
Ray-finned fishes (Actinopterygii)
Order
Lightfishes and Dragonfishes (Stomiiformes)
Family
Bristlemouths (Gonostomatidae)

Distribution

Region
Cosmopolitan. Eastern Atlantic
Distribution
Cosmopolitan. Eastern Atlantic: Portugal (Ref. 4769) south to Gulf of Guinea (Ref. 4463); Namibia and South Africa (Ref. 3991). Northwest Atlantic: Canada (Ref. 5951). Western Atlantic and Indo-Pacific: in tropical and subtropical waters. Eastern Pacific: California Current region (Ref. 35800); Chile (Ref. 9068). South China Sea (Ref.74511).
Range
40°N - 30°S

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
1594 m
Zone
bathyalpelagic
Environment
Marine; bathypelagic; depth range 0 - 1594 m (Ref. 74511), usually 450 - 610 m (Ref. 35800)
Trophic Level
3.2 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
27.6 cm
Common Length
20.0 cm
Phylogenetic Diversity Index
PD50 = 0.5312 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 (44 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