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🌊 Marine Least Concern 🌡️ Tropical

Sulu eelblenny

Congrogadus hierichthys Jordan & Richardson, 1908
Max Length
16 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
31.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Sulu eelblenny (Congrogadus hierichthys), first described by Jordan & Richardson, 1908 is a medium-sized fish in the family Pseudochromidae (order Perciformes). Adults typically reach 16.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Congrogadus hierichthys
Authority
Jordan & Richardson, 1908
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
16 cm
Trophic Level
3.7
Resilience
Medium
Vulnerability
31.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 58 - 62; Anal spines: 0; Anal soft rays: 49 - 51; Vertebrae: 64 - 67. Gill membranes fused ventrally, free from isthmus. Posterior otic sensory canal pore present. Opercle with a dark ocellated spot. Cephalic sensory canal openings rimmed with black. Dorsal margin of opercle and cheeks patched with scales. : eel-like; Cross section: compressed.

🌀 Behaviour

Behavioural data for Sulu eelblenny 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; demersal. Tropical known only from the Sulu Sea, Philippines.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.7±0.62

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.06 (TL)
Max TL
16cm
Dorsal Spines
1
Dorsal Rays
60
Anal Rays
50
Vertebrae
66

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.7
Predator
Climate Zone
Tropical
Described By
Jordan & Richardson, 1908

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