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🌿 Brackish Data Deficient 🌡️ Temperate

Caspian marine shad

Alosa braschnikowi Borodin, 1904
Max Length
50 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
27.00/100
Typical Length
30 cm
Depth Zone
pelagic

📖 Overview

Occurs in brackish water and non-anadromous, but strongly migratory. Feeds on small clupeids, gobies, atherines, also crustaceans and occasionally insects and mollusks. Spawning patterns among the subspecies vary but occur mostly in spring and summer after an inshore migration and movement northward.

Scientific Name
Alosa braschnikowi
Authority
Borodin, 1904
Habitat
Brackish
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
DD
Max Length
50 cm
Trophic Level
3.9
Resilience
High
Vulnerability
27.00/100
Migration
Oceanodromous

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0. Body fairly elongate, more `herring-like' than `shad-like'. gill rakers thick and coarse, shorter, equal to or a little longer than gill filaments, either straight or curved, pointed or blunt, occasionally even bifurcated at tips. Teeth well developed in both jaws. Other Caspian shads have deeper, more shad-like bodies.: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Caspian marine shad is currently being reviewed.

🦐 Diet

Diet information for Caspian marine shad is currently being compiled.

🥚 Reproduction

Various spawning patterns among the subspecies (mostly in spring and summer after an inshore migration and movement northward).

🌍 Habitat & Distribution

Brackish; pelagic; oceanodromous. Temperate; 48°N - 35°N, 45°E - 56°E

🌿 Ecology

Zone Preferences
🌿 Brackish 🐟 Pelagic
Migration
Oceanodromous
Trophic Level
3.9±0.4
Food Items

small clupeids, gobies, atherines, also crustaceans and occasionally insects and mollusks

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L3.04 (TL)
Max TL
50cm

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.9
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Borodin, 1904

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