Slender anchovy (Anchoa ischana) fish species and information / pictures of Slender anchovy - Anchoa ischana

Slender anchovy (Anchoa ischana) fish species information

Scientific Name
Anchoa ischana

Common Name
Slender anchovy

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 15 - 19. Body rather elongate, but somewhat compressed. Snout moderate, about 3/4 eye diameter; maxilla moderate, tip narrowly pointed, reaching onto sub-operculum, but not to edge of gill cover; gill cover canals of panamensis-type. Anal fin short, its origin below posterior third of dorsal fin base. A narrow silver stripe along flank, deeper above anal fin (about 3/4 to 2/3 eye diameter).

Classification

Classified By
Jordan & Gilbert, 1882
Class
Ray-finned fishes (Actinopterygii)
Order
Herrings (Clupeiformes)
Family
Anchovies (Engraulidae)

Distribution

Region
Eastern Central Pacific
Distribution
Eastern Central Pacific: southwestern coast of Baja California, Mexico and the Gulf of California to Panama and the Gal?pagos Islands.
Range
33°N - 3°S, 116°W - 77°W

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; pelagic-neritic; depth range 0 - 50 m (Ref. 189)
Trophic Level
3.41 s.e. 0.44 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
12.0 cm
Common Length
9.5 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
Fisheries: subsistence fisheries
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
  Least Concern (LC)