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💧 Freshwater 🌡️ Tropical

Isle of Pines rivulus

Rivulus insulaepinorum de la Cruz & Dubitsky, 1976
Max Length
6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits permanent and temporary waters, preferring clear water without much aquatic vegetation and frequenting bottoms of small stones or course sand. Hides in the substrate, often staying for considerable periods of time. Largest adults were taken from small puddles in rice fields that had dried up after irrigation was suspended. Associates with Gambusia punctata, G. puncticulata and Cichlasoma tetracanthus . Not a seasonal killifish .

Scientific Name
Rivulus insulaepinorum
Authority
de la Cruz & Dubitsky, 1976
Habitat
Freshwater
Climate
Tropical
Max Length
6 cm
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Migration
Non-migratory
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Isle of Pines rivulus is currently being compiled.

🌀 Behaviour

Behavioural data for Isle of Pines rivulus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic; non-migratory. Tropical Central America: known only from Isle of Pines, Cuba.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Non-migratory
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L3.1 (TL)
Max TL
6cm

🌡️ 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
Climate Zone
Tropical
Described By
de la Cruz & Dubitsky, 1976

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