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🌊 Marine Data Deficient 🌡️ Deep-water

Reticulate triangular batfish

Malthopsis retifera Ho, Prokofiev & Shao, 2009
Max Length
6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
375–420 m
Climate
Deep-water
Resilience
High
Vulnerability
26.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Reticulate triangular batfish (Malthopsis retifera) is a ray-finned fish of the family Ogcocephalidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 6 cm. It occurs at depths between 375 and 420 metres. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Malthopsis retifera
Authority
Ho, Prokofiev & Shao, 2009
Habitat
Marine
Climate
Deep-water
IUCN Status
DD
Max Length
6 cm
Depth Range
375–420 m
Trophic Level
3.2
Resilience
High
Vulnerability
26.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 4 - 5. This species differs from its congeners in having a reticulate color pattern on dorsal surface of disk, 5 pairs of dark spots on disk margin and lateral sides of tail; rostrum is directed to front; bucklers on dorsal surface are relatively pointed, absence of small tubercles or bucklers between principal bucklers; rounded and flat bucklers on belly; anal fin reaching caudal fin base when laid back; 6 lateral line scales in subopercular series and 7 or 8 in tail series; 11-13 (usually 12) pectoral fin rays and 4 or 5 (usually 5) dorsal fin rays .: other (see remarks); Cross section: flattened.

🌀 Behaviour

Behavioural data for Reticulate 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 375 - 420 m . Deep-water Indian Ocean: off Somalia, Socotra.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01514 × L2.93 (TL)
Max TL
6cm
Dorsal Rays
5

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
26.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Deep-water
Described By
Ho, Prokofiev & Shao, 2009

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