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🌊 Marine Critically Endangered 🌡️ Deep-water

Stripenose guitarfish

Acroteriobatus variegatus Nair & Lal Mohan, 1973
Max Length
75 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
10–40 m
Climate
Deep-water
Resilience
Low
Vulnerability
45.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

A demersal species found inshore on continental shelf. Reports from 366 m are probably erroneous. Males mature at ca. 58 cm TL, females by 62 cm TL; born at 18-20 cm TL . Ovoviviparous . Produces litters of up to 6 pups .

Scientific Name
Acroteriobatus variegatus
Authority
Nair & Lal Mohan, 1973
Habitat
Marine
Climate
Deep-water
IUCN Status
CR
Max Length
75 cm
Depth Range
10–40 m
Trophic Level
3.5
Resilience
Low
Vulnerability
45.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Stripenose guitarfish is currently being compiled.

🌀 Behaviour

Behavioural data for Stripenose guitarfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
43.5cm TL

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures .

🌍 Habitat & Distribution

Marine; demersal; depth range 10 - 40 m . Deep-water; 15°N - 5°N, 75°E - 80°E Indian Ocean: India and Sri Lanka.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water ⬇️ Benthic
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00302 × L3.13 (TL)
Max TL
75cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
45.00/100
Moderate vulnerability
Trophic Level
3.5
Predator
Climate Zone
Deep-water
Described By
Nair & Lal Mohan, 1973

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