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🌊 Marine Least Concern 🌡️ Tropical

Notoraja Inusitata

Notoraja inusitata Séret & Last, 2012
Max Length
44 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
40.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Notoraja Inusitata (Notoraja inusitata), first described by Séret & Last, 2012 is a large fish in the family Arhynchobatidae (order Rajiformes). Adults typically reach 44.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Notoraja inusitata
Authority
Séret & Last, 2012
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
44 cm
Trophic Level
3.7
Resilience
Medium
Vulnerability
40.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species (based on a juvenile male specimen of 44 cm TL) has the following set of characters: disc broadly heart-shaped with snout tip projecting as a short blunted triangle, single preorbital thorn; velvety dorsal surface of disc, covered with very fine denticles; ventral surface of disc naked; long and tapering tail, from base to first dorsal fin, slightly expanded at level of dorsal fins; tail entirely pricked except for its ventral base, an irregular mediodorsal row of small denticles on tail; lateral tail folds expanded at level of dorsal and caudal fins, its width less than tail width; low epichordal caudal-fin lobe; nasal lobes not greatly expanded, width of nasal curtain 7.7% TL; relatively narrow mouth, its width less than 66% of maximum width of nasal curtain and 5.1% TL; anterior and posterior pelvic-fin lobes are subequal in length; dorsal surface is pale greyish brown, ventral surface whitish; total pectoral-fin radials 74, monospondylous centra 27, total diplospondylous centra 116, total centra 143 .: other (see remarks); Cross section: flattened.

🌀 Behaviour

Behavioural data for Notoraja Inusitata is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; bathypelagic; depth range ? - 844 m . Tropical; 12°S - 15°S, 166°E - 169°E

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.7±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00562 × L3.11 (TL)
Max TL
44cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
40.00/100
Moderate vulnerability
Trophic Level
3.7
Predator
Climate Zone
Tropical
Described By
Séret & Last, 2012

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