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🌊 Marine Least Concern 🌡️ Tropical

Streaky rockskipper

Istiblennius dussumieri Valenciennes, 1836
Max Length
12 cm
Max Weight
Lifespan
Trophic Level
2
Depth
0–3 m
Climate
Tropical
Resilience
High
Vulnerability
23.00/100
Typical Length
Depth Zone
reef

📖 Overview

Facultative air-breathing ; Euryhaline. Adults are often found in mangrove areas . They inhabit sheltered rocky shorelines and mangroves . Oviparous. Eggs are demersal and adhesive , and are attached to the substrate via a filamentous, adhesive pad or pedestal . Larvae are planktonic, often found in shallow, coastal waters .

Scientific Name
Istiblennius dussumieri
Authority
Valenciennes, 1836
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
12 cm
Depth Range
0–3 m
Trophic Level
2
Resilience
High
Vulnerability
23.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 12 - 14; Dorsal soft rays (total): 19 - 24; Anal spines: 2; Anal soft rays: 21 - 25. Dark spot distally between 1st 2 dorsal spines; . Males with about 6 dusky bands on body; females with bands that tend to form vertical rows of dusky spots; dusky spots on dorsal and caudal fins; anal fin uniformly dusky .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Streaky rockskipper is currently being reviewed.

🦐 Diet

Diet information for Streaky rockskipper is currently being compiled.

🥚 Reproduction

🐣 Oviparous

Oviparous, distinct pairing .

🌍 Habitat & Distribution

Marine; brackish; reef-associated; depth range 0 - 3 m . Tropical West Pacific.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🪸 Reef Associated
Trophic Level
2

📐 Morphometrics

Length–Weight Relationship: W = 0.00759 × L3 (TL)
Max TL
12cm
Dorsal Spines
13
Dorsal Rays
22
Anal Spines
2
Anal Rays
23

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Valenciennes, 1836

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