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🌊 Marine Least Concern 🌡️ Tropical

Few-pored wriggler

Xenisthmus oligoporus Gill, Bogorodsky & Mal, 2017
Max Length
2.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
6–13 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Few-pored wriggler (Xenisthmus oligoporus), first described by Gill, Bogorodsky & Mal, 2017 is a tiny fish in the family Xenisthmidae (order Gobiiformes). Adults typically reach 2.30 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 6 to 13 metres. 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
Xenisthmus oligoporus
Authority
Gill, Bogorodsky & Mal, 2017
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
2.3 cm
Depth Range
6–13 m
Trophic Level
3.1
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 14 - 15; Anal spines: 1; Anal soft rays: 13 - 14; Vertebrae: 26. This species is distinguished from it congeners in having a reduced number of cephalic sensory pores (without A, I, J, K, P and Q pores) and in having 14-15 segmented rays in the second dorsal fin .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Few-pored wriggler 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; reef-associated; depth range 6 - 13 m . Tropical Indian Ocean: Red Sea, Saudi Arabia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
2.3cm
Dorsal Spines
7
Dorsal Rays
15
Anal Spines
1
Anal Rays
14
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
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Gill, Bogorodsky & Mal, 2017

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