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💧 Freshwater 🌡️ Tropical

Juan Deriba killifish

Moema juanderibaensis Drawert, 2022
Max Length
4.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Collected in shallow temporary pools, partially covered by floating leaves and plant foliage. Soft bottom with mud over compact, dark brown to blackish clay . This species adapts remarkably well to stress. It can leap out of water to escape predators and stay attached to some foliage for several hours .

Scientific Name
Moema juanderibaensis
Authority
Drawert, 2022
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
4.6 cm
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

This species can be distinguished from other congeners by the following set of characters on males: unique color pattern consisting of oblique, sometimes chevron-like, irregular rows of red and light blue double-dots on body; dark yellowish to golden pectoral fin with no visible markings (dots or spots); and stripe pattern on the ventral part of caudal-fin with very narrow black marginal line that may be intermittent or even absent .: elongated.

🌀 Behaviour

Behavioural data for Juan Deriba killifish 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. Tropical South America: Bolivia.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L3.1 (TL)
Max TL
4.6cm

🌡️ 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
Body Shape
Elongated
Climate Zone
Tropical
Described By
Drawert, 2022

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