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🌊 Marine Data Deficient 🌡️ Tropical

New Ireland stingaree

Spinilophus armatus Valenciennes, 1841
Max Length
17.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
Low
Vulnerability
26.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

New Ireland stingaree (Spinilophus armatus), first described by Valenciennes, 1841 is a medium-sized fish. Adults typically reach 17.40 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 Data Deficient.

Scientific Name
Spinilophus armatus
Authority
Valenciennes, 1841
Habitat
Marine
Climate
Tropical
Body Shape
Other
IUCN Status
DD
Max Length
17.4 cm
Trophic Level
3.4
Resilience
Low
Vulnerability
26.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Spinilophus
Spinilophus
Species
New Ireland stingaree
Spinilophus armatus

🐟 Physical Description

This species is distinguished by the following characters: dorsal disc with a prominent mid-scapular thorn and dermal denticles which are small, spinular, partly embedded and are restricted to the snout, supraorbital, interorbital and mid-lumbar regions and midline of the tail; nasal capsules are oval, relatively broad and short; the ischiopubic bar of pelvic girdle is strongly arched with concave outer anterior margin, short angular prepelvic process and long posterior mesial process .: other; Cross section: flattened.

🌀 Behaviour

Behavioural data for New Ireland stingaree 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; demersal. Tropical Central Pacific: known only from New Ireland (Bismarck Archipelago).

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L3.08 (TL)
Max TL
17.4cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
26.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Other
Climate Zone
Tropical
Described By
Valenciennes, 1841

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