Marasri's thryssa (Thryssa marasriae) fish species and information / pictures of Marasri's thryssa - Thryssa marasriae

Marasri's thryssa (Thryssa marasriae) fish species information

Scientific Name
Thryssa marasriae

Common Name
Marasri's thryssa

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 26 - 28. Belly with 15 or 16 + 8 or 9 = 23 to 25 keeled scutes from isthmus to anus. Maxilla short, reaching to hind border of pre-operculum; first supra-maxilla short, about half length of second. Pseudobranch moderate. A diffuse dark saddle just before dorsal fin origin; no dark blotch behind gill opening.

Classification

Classified By
Wongratana, 1987
Class
Ray-finned fishes (Actinopterygii)
Order
Herrings (Clupeiformes)
Family
Anchovies (Engraulidae)

Distribution

Region
Western Central Pacific
Distribution
Western Central Pacific: northern Australia.
Range
9°S - 15°S, 124°E - 131°E

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
50 m
Zone
pelagic-neritic
Environment
Marine; brackish; pelagic-neritic; depth range 0 - 50 m (Ref. 189)
Trophic Level
3.19 s.e. 0.45 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
True
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
6.9 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 vulnerability (10 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated