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🌊 Marine Endangered 🌡️ Tropical

Straight-tooth weasel shark

Paragaleus tengi Chen, 1963
Max Length
88 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
-
Climate
Tropical
Resilience
Very low
Vulnerability
37.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Straight-tooth weasel shark (Paragaleus tengi), first described by Chen, 1963 is a large fish in the family Hemigaleidae (order Carcharhiniformes). Adults typically reach 88.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Endangered.

Scientific Name
Paragaleus tengi
Authority
Chen, 1963
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
EN
Max Length
88 cm
Trophic Level
4.2
Resilience
Very low
Vulnerability
37.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0. Grey or grey-brown above, light below; no prominent markings on body and fins .: elongated.

🌀 Behaviour

Behavioural data for Straight-tooth weasel shark is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Viviparous 🤰 Viviparous

Viviparous, placental . Distinct pairing with embrace .

🌍 Habitat & Distribution

Marine; demersal. Tropical; 34°N - 15°N

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
4.2±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00309 × L3.07 (TL)
Max TL
88cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
4.2
Apex / Top predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Chen, 1963

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