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🌊 Marine Least Concern 🌡️ Subtropical

Arabian dartfish

Ptereleotris arabica Randall & Hoese, 1985
Max Length
11.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
2–15 m
Climate
Subtropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Takes refuge in burrows occupied by symbiotic alpheids and gobies of the genera Amblyeleotris and Cryptocentrus (https://www.oceandocs.org/handle/1834/10331?locale-attribute=ru)..

Scientific Name
Ptereleotris arabica
Authority
Randall & Hoese, 1985
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
11.2 cm
Depth Range
2–15 m
Trophic Level
3.4
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 26 - 29; Anal spines: 1; Anal soft rays: 25 - 28; Vertebrae: 26. Pale grayish blue when fresh; white abdomen and thorax; opercle with 2 irregular blue bands; side of snout with a diagonal blue band, ending at upper edge of orbit. Iris silvery white, upper and lower edges broadly bright blue. Chin barbel followed by a median longitudinal fold. Scales tiny, embedded and non imbricate. Caudal fin with 3rd and 11th branched rays greatly prolonged as filaments; 1st dorsal fin lower than 2nd; short pelvic fins. Named arabica in reference to known localities.: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Arabian dartfish is currently being reviewed.

🦐 Diet

Diet information for Arabian dartfish is currently being compiled.

🥚 Reproduction

Reproduction data for Arabian dartfish is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 2 - 15 m . Subtropical; 32°N - 25°N Indian Ocean: northern end of the Gulf of Aqaba, Red Sea, and the Persian Gulf.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
11.2cm
Dorsal Spines
7
Dorsal Rays
28
Anal Spines
1
Anal Rays
27
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2024

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Randall & Hoese, 1985

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