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Diadromous Least Concern 🌡️ Tropical

Speckled goby

Redigobius bikolanus Herre, 1927
Max Length
4.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
0–5 m
Climate
Tropical
Resilience
Medium
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Adults inhabit creeks, rivers and brackish estuaries . Found in tidal streams . Sometimes seen upstream a short distance from the tidal zone. Feed on small fishes and invertebrates. Not seen in markets .

Scientific Name
Redigobius bikolanus
Authority
Herre, 1927
Habitat
Diadromous
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
4.9 cm
Depth Range
0–5 m
Trophic Level
3.3
Resilience
Medium
Vulnerability
10.00/100
Migration
Amphidromous
Water Temp
21–28 °C
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 6 - 8; Anal spines: 1; Anal soft rays: 6 - 8. Distinguished by the following characteristics: 2-3 dark spot at caudal base ; Redigobius with dusky scale margins forming network pattern; side of body variably marked with series of dark brown blotches or bars, one blackish, slightly oblique, narrow bar on side of body, second blackish narrow bar present on lower half of body; four distinct dark brown to blackish spots along mid-ventral line at anal fin; second dorsal rays I,6-8; anal rays I,6-8; pectoral rays 14-18; longitudinal scales 21-27; TRB 6 1/2 to 8 1/2; predorsal scales 5-8 .: fusiform / normal.

🌀 Behaviour

Behavioural data for Speckled 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; benthopelagic; amphidromous ; depth range 0 - 5 m . Tropical; 21°C - 28°C ; 35°N - 6°N south to Coffee Bay, South Africa (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish
Migration
Amphidromous
Trophic Level
3.3±0.43
Food Items

small fishes and invertebrates

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L3 (TL)
Max TL
4.9cm
Dorsal Spines
7
Dorsal Rays
7
Anal Spines
1
Anal Rays
7

🌡️ Water Parameters & Tolerance

Temperature Range
21–28°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Herre, 1927

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Bigmouth goby · Bug-eyed Goby · Speckled Goby · checkered dualspot goby
🌍BRE touseg vihan
🇫🇷French Gobie tase
🇯🇵Japanese Hinahaze · ヒナハゼ
🇰🇷Korean 점박이망둑
🇷🇺Russian Индо-австралийский редигобиус
🌍THA ปลาบู่สั้นลายกระ
🇨🇳Chinese 拜庫雷鰕虎 · 斑紋雷鰕虎魚

Scientific Synonyms

Scientific Name Author Year Status
Gobius flavescens De Vis 1884 Heterotypic
Gobius johnstoniensis Koumans 1940 Synonym
Mahidolia pagoensis Schultz 1943 Synonym
Parvigobius immeritus Whitley 1930 Synonym
Pseudogobius bikolanus Herre 1927 Synonym
Redigobius versicolor Smith 1959 Synonym
Stigmatogobius minutus Takagi 1957 Synonym
Stigmatogobius versicolor Smith 1959 Synonym
Vaimosa bikolana Herre 1927 Synonym
Vaimosa montalbani Herre 1936 Synonym
Vaimosa novaehebudorum Fowler 1944 Synonym
Vaimosa osgoodi Herre 1935 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 8 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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