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💧 Freshwater Critically Endangered 🌡️ Tropical

Stiphodon Rubromaculatus

Stiphodon rubromaculatus Keith & Marquet, 2007
Max Length
3 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs in clear, high gradient streams with rocky bottom and large pools. Found on the bottom of the river, on top of rocks but also observed swimming in open water in the stream between rocks or in large pools; and observed from 90-200 m high in altitude .

Scientific Name
Stiphodon rubromaculatus
Authority
Keith & Marquet, 2007
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
CR
Max Length
3 cm
Resilience
High
Vulnerability
10.00/100
Migration
Amphidromous
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 10. This species is characterized by the following: pectoral rays 13-14; second dorsal fin with 9 segmented rays; premaxillary teeth 27-32; predorsal midline scales absent, the most anterior scale along the midline located below the anterior part of the second dorsal fin; males with more and larger symphyseal teeth than females (2 vs. 0); transverse scales in forward series 1-4, in backward series 7-9; typical color of males, body bright red on the flanks, orange on the belly and on the back; head bluish on cheeks, reddish nose; females greyish to brownish .: elongated.

🌀 Behaviour

Behavioural data for Stiphodon Rubromaculatus 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; amphidromous. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Amphidromous

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
3cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
1
Anal Rays
10

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Body Shape
Elongated
Climate Zone
Tropical
Described By
Keith & Marquet, 2007

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