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Diadromous Least Concern 🌡️ Tropical

Galathea gizzard shad

Nematalosa galatheae Nelson & Rothman, 1973
Max Length
16.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Inhabits marine waters, but enters (and presumably breeding in) freshwater . A filter-feeder. More data needed.

Scientific Name
Nematalosa galatheae
Authority
Nelson & Rothman, 1973
Habitat
Diadromous
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
16.3 cm
Trophic Level
3.4
Resilience
High
Vulnerability
15.00/100
Migration
Anadromous
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 17 - 26. Belly with 25 to 30 total scutes. Anterior arm of pre-operculum with the third infra-orbital bone immediately above it, no fleshy gap between. Lower jaw strongly flared outward. A pair of grooves in the spongy skin on top of head, converging posteriorly. Pectoral axillary scale present; hind edge of scales not toothed; a dark spot after gill opening followed by smaller spots on flank.: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Galathea gizzard shad is currently being reviewed.

🦐 Diet

Diet information for Galathea gizzard shad is currently being compiled.

🥚 Reproduction

Reproduction data for Galathea gizzard shad is currently being compiled.

🌍 Habitat & Distribution

Marine; freshwater; brackish; pelagic-neritic; anadromous . Tropical; 24°N - 0°, 73°E - 110°E West Pacific: southwest coast of India, presumably Bay of Bengal, off Andaman Sea coast of Thailand, Penang, Gulf of Thailand, Singapore and Viet Nam.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🐟 Pelagic
Migration
Anadromous
Feeding Mode
Filter-feed
Trophic Level
3.4±0.45

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L3.06 (TL)
Max TL
16.3cm
Anal Rays
22

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Nelson & Rothman, 1973

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