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Diadromous Data Deficient 🌡️ Tropical

Malabar sprat

Ehirava fluviatilis Deraniyagala, 1929
Max Length
5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
16.00/100
Typical Length
4 cm
Depth Zone
pelagic

📖 Overview

Occurs in estuaries, lagoons and as much as 10 km up rivers, presumably tolerating a wide range of salinity. Reported to feed exclusively on rotifers . Marketed fresh or dried salted.

Scientific Name
Ehirava fluviatilis
Authority
Deraniyagala, 1929
Habitat
Diadromous
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
5 cm
Trophic Level
3.1
Resilience
High
Vulnerability
16.00/100
Migration
Amphidromous
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 18; Anal spines: 0; Anal soft rays: 16 - 27. With 5 to 8 unkeeled pre-pelvic scutes, followed by an equally thin pelvic scute, all with slender ascending arms; no post-pelvic scutes. Snout pointed, lower jaw a little prominent, with barely visible teeth in each jaw; second supra-maxilla short, about half length of maxilla blade.: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Malabar sprat is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; pelagic-neritic; amphidromous . Tropical; 14°N - 4°N, 73°E - 83°E

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🐟 Pelagic
Migration
Amphidromous
Trophic Level
3.1±0.26

📐 Morphometrics

Length–Weight Relationship: W = 0.00468 × L3.03 (TL)
Max TL
5cm
Dorsal Rays
15
Anal Rays
22

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
16.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Deraniyagala, 1929

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Malabar sprat
🌍CES ehirava říční
🇷🇺Russian Речная эхирава

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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