North African shad (Alosa algeriensis) fish species and information / pictures of North African shad - Alosa algeriensis

North African shad (Alosa algeriensis) fish species information

Scientific Name
Alosa algeriensis

Common Name
North African shad

Biology
This species is distinguished from its congeners entering the freshwater basin of the Mediterranean basin by the following characters: convex dorsal profile; 40-60 thin gill rakers in individuals larger than 20 cm SL (different populations average between 47 and 51); no teeth on palatine (Ref. 59043).

Classification

Classified By

Regan, 1916

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Mediterranean Sea

Distribution

Mediterranean Sea: northern Morocco to northern Tunisia. In Europe, restricted to western Sardinia, Italy. Landlocked population in Lake Ichkeul in Tunisia and in man-made lakes in Sardinia.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic-neritic

Environment

Marine; freshwater; brackish; pelagic-neritic; anadromous

Trophic Level

s.e. 0.00 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

43.0 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

Moderate vulnerability (41 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Data deficient (DD)