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🌊 Marine Data Deficient 🐠 Aquarium 🌡️ Tropical

Isthmus goby

Arcygobius baliurus Valenciennes, 1837
Max Length
10.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
3–15 m
Climate
Tropical
Resilience
High
Vulnerability
24.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Isthmus goby (Arcygobius baliurus) is a ray-finned fish of the family Gobiidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 10.2 cm. It occurs at depths between 3 and 15 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Arcygobius baliurus
Authority
Valenciennes, 1837
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
10.2 cm
Depth Range
3–15 m
Trophic Level
3.4
Resilience
High
Vulnerability
24.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 9 - 10; Anal spines: 1; Anal soft rays: 8 - 9. Characterized by semi-translucent grey body with brown and white spotting; lower side of body with row of double blackish spots; pelvic fins united and frenum present; rounded caudal fin, about equal to head length; longitudinal scale series 22-26; ctenoid body scales and on nape; predorsal scales 8-11; cheek and opercle without scales; depth of body 5.5-6.1 in SL .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Isthmus goby 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; brackish; demersal; depth range 3 - 15 m . Tropical West Pacific.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.4±0.4
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L3.05 (TL)
Max TL
10.2cm
Dorsal Spines
7
Dorsal Rays
10
Anal Spines
1
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Valenciennes, 1837

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Isthmus Goby
🌍THA ปลาบู่ด่าง

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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