Littlefin anchovy (Papuengraulis micropinna) fish species and information / pictures of Littlefin anchovy - Papuengraulis micropinna

Littlefin anchovy (Papuengraulis micropinna) fish species information

Scientific Name
Papuengraulis micropinna

Common Name
Littlefin anchovy

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 3-4; Anal spines: 0; Anal soft rays: 51 - 57. Belly with 5 or 6 pre-pectoral needle-like scutes, none behind, and a series of membrane-like post -pelvic scutes more or less concealed by the scales. Maxilla short, tip blunt; first supra-maxilla large, elongate, more than twice length of second. Pectoral fins wing-like; pelvic fins small; dorsal fin minute, the second unbranched fin ray elongated. A distinct dark blotch behind gill opening.

Classification

Classified By
Munro, 1964
Class
Ray-finned fishes (Actinopterygii)
Order
Herrings (Clupeiformes)
Family
Anchovies (Engraulidae)

Distribution

Region
Western Central Pacific
Distribution
Western Central Pacific: Gulf of Papua (off Port Romily; in mouths of rivers flowing into the Gulf; Arafura Sea, but no indication if Australian or Irian Jaya coast).
Range
6°S - 11°S, 139°E - 147°E

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
13 m
Depth To - meters
13 m
Zone
pelagic-neritic
Environment
Marine; brackish; pelagic-neritic; depth range 13 - 13 m (Ref. 58018)
Trophic Level
3.4 s.e. 0.45 Based on food items.
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
12.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (14 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