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🌊 Marine 🌡️ Tropical

Short-horn triangular batfish

Malthopsis arrietty Ho, 2020
Max Length
5.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
234–777 m
Climate
Tropical
Resilience
High
Vulnerability
24.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Short-horn triangular batfish (Malthopsis arrietty) is a ray-finned fish of the family Ogcocephalidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 5.4 cm. It occurs at depths between 234 and 777 metres. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Malthopsis arrietty
Authority
Ho, 2020
Habitat
Marine
Climate
Tropical
Max Length
5.4 cm
Depth Range
234–777 m
Trophic Level
3.2
Resilience
High
Vulnerability
24.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 4 - 6. This species is distinguished by the following characters: no prickles on interspaces of bucklers; an extremely short rostrum (x? = 4.1% SL) directed upward rather than forward; large eye (x? = 15.4% SL); narrow interorbital space (x? = 5.5% SL); OD/RL = 2.4-5.3 and OD/IO = 2.4-3.2; body with a few scattered bucklers, with interspaces largely naked on dorsal surface; ventral surface with few flat bucklers, mostly restricted to around pelvic-fin base, and almost naked elsewhere .

🌀 Behaviour

Behavioural data for Short-horn 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 234 - 777 m , usually 234 - 543 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01514 × L2.93 (TL)
Max TL
5.4cm
Dorsal Rays
5

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Ho, 2020

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