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🌊 Marine 🌡️ Subtropical

Prickle triangular batfish

Malthopsis provocator Whitley, 1961
Max Length
6.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
200–475 m
Climate
Subtropical
Resilience
High
Vulnerability
26.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Prickle triangular batfish (Malthopsis provocator) is a ray-finned fish of the family Ogcocephalidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 6.2 cm. It occurs at depths between 200 and 475 metres. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Malthopsis provocator
Authority
Whitley, 1961
Habitat
Marine
Climate
Subtropical
Max Length
6.2 cm
Depth Range
200–475 m
Trophic Level
3.2
Resilience
High
Vulnerability
26.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 5 - 6. This species is distinguished by the following set of characters: D 5-6; pectoral-fin rays 11-13; principal bucklers are small and flattened; interspaces fully covered by small bucklers and spinules; posterior portion of skull with 5-6 irregular rows of medium-sized bucklers; rostrum pointed, usually directed more upward than forward; subopercular buckler is weak, strongly reduced or bearing few spinelets at its tip; ventral surface (including belly and thoracic region) covered with minute prickles between mid-sized bucklers; orbit large, 11.6%-13.6% SL; interorbital space narrow, 4.7%-7.5% SL; rostrum short, 6.7%-10.6% SL; anal fin not reaching caudal-fin base when appressed .Cross section: flattened.

🌀 Behaviour

Behavioural data for Prickle triangular batfish 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; bathydemersal; depth range 200 - 475 m , usually 300 - ? m . Subtropical

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01514 × L2.93 (TL)
Max TL
6.2cm
Dorsal Rays
6

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
26.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Subtropical
Described By
Whitley, 1961

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