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🌊 Marine Least Concern 🌡️ Deep-water

Bigeye sand tiger shark

Odontaspis noronhai Maul, 1955
Max Length
367 cm
Max Weight
-
Lifespan
-
Trophic Level
4.4
Depth
60–1000 m
Climate
Deep-water
Resilience
Very low
Vulnerability
86.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

A deepwater shark inhabiting the continental and insular slopes . Pelagic . Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother . Feeding habits unknown.

Scientific Name
Odontaspis noronhai
Authority
Maul, 1955
Habitat
Marine
Climate
Deep-water
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
367 cm
Depth Range
60–1000 m
Latitude
34°S – 31°N
Trophic Level
4.4
Resilience
Very low
Vulnerability
86.00/100
Salinity
30–40 ppt

🐟 Physical Description

Snout conical and bulbous, tip rounded. Eyes large and ovoid, nictitating membrane absent. Body color uniform chocolate brown, all fins except pectorals with thin dark edging along posterior margin.: fusiform / normal.

🌀 Behaviour

Behavioural data for Bigeye sand tiger shark is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

Size at Maturity
325cm TL

Exhibit ovoviparity (aplacental viviparity), with embryos feeding on other ova produced by the mother (oophagy) after the yolk sac is absorbed . Distinct pairing with embrace .

🌍 Habitat & Distribution

Marine; pelagic-oceanic; depth range 60 - 1000 m . Deep-water; 31°N - 34°S, 163°W - 27°W Central Pacific: off Hawaii.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water 🐟 Pelagic
Trophic Level
4.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.04 (TL)
Max TL
367cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
86.00/100
Very High vulnerability
Trophic Level
4.4
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Deep-water
Latitude Range
31°N – 34°S
Described By
Maul, 1955

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