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Diadromous Least Concern 🌡️ Tropical

Scaleless worm goby

Caragobius urolepis Bleeker, 1852
Max Length
8.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
21.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Found in rivers and estuaries . Occurs on mud bottoms of estuaries, and tidal parts of rivers and creeks . Feeds on small crustaceans and other benthic invertebrates . Not seen in markets .

Scientific Name
Caragobius urolepis
Authority
Bleeker, 1852
Habitat
Diadromous
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
8.5 cm
Trophic Level
3.5
Resilience
High
Vulnerability
21.00/100
Migration
Amphidromous
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Gobiiformes
Gobiiformes
Family
Gobiidae
Gobiidae
Genus
Caragobius
Caragobius
Species
Scaleless worm goby
Caragobius urolepis

🐟 Physical Description

Dorsal spines (total): 6; Dorsal soft rays (total): 32; Anal spines: 1; Anal soft rays: 33. Distinguished by the following characteristics: greenish body with yellowish fins; scales only on posterior 25-30% of body, remainder of body and head lacking scales; 18-27 teeth on outer row of upper jaw; 12-28 teeth on outer row of lower jaw; jaws terminating posteriorly at the vertical just anterior to posterior naris; anterior nares much closer together than posterior nares .: elongated.

🌀 Behaviour

Behavioural data for Scaleless worm goby is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal; amphidromous. Tropical West Pacific: east coast of India, Thailand, Indonesia, the Philippines, Taiwan, southern Japan and eastward to Fiji.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Migration
Amphidromous
Trophic Level
3.5±0.44
Food Items

small crustaceans and other benthic invertebrates (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00447 × L2.98 (TL)
Max TL
8.5cm
Dorsal Spines
6
Dorsal Rays
32
Anal Spines
1
Anal Rays
33

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Bleeker, 1852

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Scaleless Worm Goby
🇯🇵Japanese Asagarahaze · アサガラハゼ
🌍THA ปลาเขือกล้วย
🌍VIE Cá Bống Ca Ra
🇨🇳Chinese 尾鱗頭鰕虎 · 尾鱗頭鰕虎魚

Scientific Synonyms

Scientific Name Author Year Status
Amblyopus urolepis Bleeker 1852 Synonym
Brachyamblyopus anotus Franz 1910 Synonym
Brachyamblyopus olivaceus Herre 1927 Synonym
Brachyamblyopus urolepis Bleeker 1852 Synonym
Caragobioides geomys Fowler 1935 Synonym
Caragobius anotus Franz 1910 Synonym
Caragobius geomys Fowler 1935 Synonym
Caragobius olivaceus Herre 1927 Synonym
Caragobius typhlops Smith & Seale 1906 Synonym
Nudagobioides monserrati Roxas & Ablan 1940 Synonym
Nudagpbioides monserrati Roxas & Ablan 1940 Synonym
Taenioides chilkensis Hora 1923 Synonym
Trypauchenophrys anotus Franz 1910 Synonym

🗺️ 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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