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🌊 Marine Least Concern 🌡️ Subtropical

Roughspine triangular batfish

Malthopsis asperata Ho, Roberts & Shao, 2013
Max Length
7.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
183–670 m
Climate
Subtropical
Resilience
High
Vulnerability
29.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Roughspine triangular batfish (Malthopsis asperata) is a ray-finned fish of the family Ogcocephalidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 7.5 cm. It occurs at depths between 183 and 670 metres. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Malthopsis asperata
Authority
Ho, Roberts & Shao, 2013
Habitat
Marine
Climate
Subtropical
IUCN Status
LC
Max Length
7.5 cm
Depth Range
183–670 m
Trophic Level
3.3
Resilience
High
Vulnerability
29.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 5 - 6; Anal soft rays: 4. This species is distinguished by the following characters: having stout principal bucklers with prominent spines; D 5-6; pectoral-fin rays 12; ventral surface with small bucklers and minute prickles; subopercular buckler have 3 small spinelets: one directed forward, another outward and third backward; few blunt spinelets on its margin; interspaces of principal bucklers covered with small buckler and prickles; pointed rostral spine, directed forward and upward .: other (see remarks); Cross section: flattened.

🌀 Behaviour

Behavioural data for Roughspine triangular batfish is currently being reviewed.

🦐 Diet

Diet information for Roughspine triangular batfish is currently being compiled.

🥚 Reproduction

Reproduction data for Roughspine triangular batfish is currently being compiled.

🌍 Habitat & Distribution

Marine; pelagic-oceanic; depth range 183 - 670 m . Subtropical Pacific Ocean: tropical; seamounts off Australia, New Caledonia, and New Zealand.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01514 × L2.93 (TL)
Max TL
7.5cm
Dorsal Rays
6
Anal Rays
4

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Subtropical
Described By
Ho, Roberts & Shao, 2013

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