Twinlobe snaggletooth (Astronesthes bilobatus) fish species and information / pictures of Twinlobe snaggletooth - Astronesthes bilobatus

Twinlobe snaggletooth (Astronesthes bilobatus) fish species information

Scientific Name
Astronesthes bilobatus

Common Name
Twinlobe snaggletooth

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 14-17; Anal spines: 0; Anal soft rays: 12 - 16; Vertebrae: 43 - 46. Last photophore of VAL series behind origin of anal and last photophore of VAV series. Aggregation of luminous tissue on head, when fully developed fish > 10 cm SL, forming transverse bar across gill cover; longitudinally oriented aggregations of luminous tubercle-like spots on body behind head and above pelvic fins. In immature fish 27676).

Classification

Classified By
Parin & Borodulina, 1996
Class
Ray-finned fishes (Actinopterygii)
Order
Lightfishes and Dragonfishes (Stomiiformes)
Family
Barbeled dragonfishes (Stomiidae)

Distribution

Region
Indo-Pacific
Distribution
Indo-Pacific: Its range seems to represent the equatorial distributional pattern; it expands southwards in the western parts of the Pacific (including the Philippine Sea, Ref. 41299), and Indian oceans; absent in the eastern part. Atlantic Ocean: Present in a small portion near southern Africa.
Range
25°N - 37°S, 15°E - 154°W

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
50 m
Depth To - meters
2230 m
Zone
bathyalpelagic
Environment
Marine; bathypelagic; depth range 50 - 2230 m (Ref. 58302)
Trophic Level
4.05 s.e. 0.63 Based on size and trophs of closest relatives
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
20.8 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