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💧 Freshwater 🌡️ Tropical

Head-and-tail-light fish

Holopristis falsa Meinken, 1958
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Head-and-tail-light fish (Holopristis falsa), first described by Meinken, 1958 is a fish. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Holopristis falsa
Authority
Meinken, 1958
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
Trophic Level
3
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Holopristis
Holopristis
Species
Head-and-tail-light fish
Holopristis falsa

🐟 Physical Description

This species is distinguished by the following: origin of dorsal fin above or anterior to mid of body; caudal fin only at the base with scales; an eye-like spot on the shoulder is absent or only weakly indicated as shadow; presence of a longitudinal black band on the posterior half of the body (from the vertical through the insertion of the dorsal fin to the end of caudal spot and iridescent on the upper part of the caudal peduncle) .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Head-and-tail-light fish 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: Amazon, Surinam.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01096 × L3.08 (TL)

🌡️ 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
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Meinken, 1958

👥 Community & Contribute

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