New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Tropical

Short river garfish

Zenarchopterus rasori Popta, 1912
Max Length
18 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Short river garfish (Zenarchopterus rasori), first described by Popta, 1912 is a medium-sized fish in the family Zenarchopteridae (order Beloniformes). Adults typically reach 18.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Zenarchopterus rasori
Authority
Popta, 1912
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
18 cm
Trophic Level
2.9
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 11 - 12; Anal spines: 0; Anal soft rays: 8 - 9; Vertebrae: 41. Upper jaw slightly longer than wide; width divided by length 0.81-0.87. A small black basicaudal spot present at end of silvery lateral band. Pectoral fin much shorter than head length; head length divided by lower jaw length 0.61-0.64. Males unknown .

🌀 Behaviour

Behavioural data for Short river garfish 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; pelagic-neritic; depth range 0 - ? m. Tropical Central Pacific: Muna Island, Celebes and Arnhem Land, Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
2.9±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00457 × L3.03 (TL)
Max TL
18cm
Dorsal Rays
12
Anal Rays
9
Vertebrae
41

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Popta, 1912

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Short river garfish ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.