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🌊 Marine Data Deficient 🌡️ Tropical

Fringechin dartfish

Ptereleotris crossogenion Randall & Suzuki, 2008
Max Length
4.1 cm
Max Weight
Lifespan
Trophic Level
3.2
Depth
Climate
Tropical
Resilience
Vulnerability
10.00/100
Typical Length
Depth Zone
reef

📖 Overview

Overview information for Fringechin dartfish is currently being compiled by our editorial team.

Scientific Name
Ptereleotris crossogenion
Authority
Randall & Suzuki, 2008
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
4.1 cm
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 24; Anal spines: 1; Anal soft rays: 23; Vertebrae: 26. This species is characterized by the following: D VI + I, 24; A I, 23; pectoral rays 22; cycloid scales, nonimbricate except posteriorly, about 152 oblique rows in longitudinal series; median predorsal scales absent; gill rakers 6 + 17; body depth 5.95 in SL; barbel on chin absent, only a low median fleshy ridge; a fringe of slender elongate papillae along side of lower jaw; first dorsal fin low, with curved spines, only the last with free tip; fifth dorsal spine longest, 1.85 in HL; caudal fin is slightly emarginate with rounded lobes, shorter than head, 4.9 in SL; pelvic fins short, 6.2 in SL; alcohol preserved specimens are pale tan with no dark markings except a faint dusky zone below nostrils between upper jaw and orbit; color of live individuals with two broad dusky stripes separated by a narrow pale midlateral stripe; lower dusky stripe expanding into a broad band in caudal fin, with a blackish spot at base; distal part of caudal fin yellow .: elongated.

🌀 Behaviour

Behavioural data for Fringechin dartfish is currently being reviewed.

🦐 Diet

Diet information for Fringechin dartfish is currently being compiled.

🥚 Reproduction

Reproduction data for Fringechin dartfish is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range ? - 27 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
4.1cm
Dorsal Spines
7
Dorsal Rays
24
Anal Spines
1
Anal Rays
23
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2024

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Randall & Suzuki, 2008

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