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💧 Freshwater 🌡️ Subtropical

Rhinogobius Rubrolineatus

Rhinogobius rubrolineatus Chen & Miller, 2008
Max Length
4.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Inhabits shallow riffles with depth 30-60 cm, substratum composed of large pebbles and moderate to fast flowing water .

Scientific Name
Rhinogobius rubrolineatus
Authority
Chen & Miller, 2008
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
Max Length
4.2 cm
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 1; Anal soft rays: 7; Vertebrae: 26. Diagnosed from all other species of the genus Rhinogobius by the unique combination of the following characters: second dorsal fin with one spine and 8 rays; anal fin with one spine and 7 rays; pectoral fin with 16-17 rays; scale on longitudinal series 28-30; predorsal scales 3-5; vertebrae 26; body side with 6 clusters of blackish-brown marks in male, grayish-brown in female; scale pockets of lateral body with conspicuous deep brown margin in female but not distinct in male; caudal fin base with a median black spot; snout with a dorsal pair of broad bright red stripes; a lateral pair of broad bright red stripe below orbit reaching vertically to corner of upper lip; snout orange; cheek with 2 oblique, parallel deep brown lines in male but absent n female; branchiostegal membrane grayish brown with 9-10 rounded bright orange red spots in male but uniform grayish and spotless in female; first dorsal fin with broad median grayish-black band; basal region of pectoral fin grayish black with basal, semicircular creamy-yellow region in male, pale in female .: elongated.

🌀 Behaviour

Behavioural data for Rhinogobius Rubrolineatus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal; depth range 0 - ? m . Subtropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L3.08 (TL)
Max TL
4.2cm
Dorsal Spines
7
Dorsal Rays
8
Anal Spines
1
Anal Rays
7
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Chen & Miller, 2008

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