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💧 Freshwater Least Concern 🌡️ Tropical

Makunaima Guianensis

Makunaima guianensis Eigenmann, 1909
Max Length
6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Found in clear water streams, running over sand and silt bottoms. Inhabits slow to moderate water current, less than 1m deep. Feeds on aquatic insects (caddisflies larvae, chironomids pupae and Odonata nymph) and arthropods .

Scientific Name
Makunaima guianensis
Authority
Eigenmann, 1909
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
6 cm
Trophic Level
3.1
Resilience
High
Vulnerability
11.00/100
Water Temp
23–27 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Makunaima
Makunaima
Species
Makunaima Guianensis
Makunaima guianensis

🐟 Physical Description

Anal soft rays: 21 - 25. Distinguished by having laterally compressed body, moderately elongate; greatest body depth at origin of dorsal fin; dorsal profile of head convex from tip of snout to vertical through anterior border of anterior nostril and straight from that point to tip of supraoccipital spine; dorsal profile of body straight to slightly convex at predorsal region, straight at dorsal-fin base, straight from end of dorsal-fin base to adipose-fin origin and concave along caudal peduncle; presence of middle caudal -fin rays hyaline; five, rarely six horizontal scale row above lateral line and the absence of a midlateral line series of dark anteriorly-directed chevrons .: short and / or deep.

🌀 Behaviour

Behavioural data for Makunaima Guianensis is currently being reviewed.

🦐 Diet

Diet information for Makunaima Guianensis is currently being compiled.

🥚 Reproduction

Reproduction data for Makunaima Guianensis is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 5.8 - 7.5; dH range: 8 - 20; depth range 1 - ? m . Tropical; 23°C - 27°C South America: Guyana and Venezuela (?).

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.4
Food Items

aquatic insects (caddisflies larvae, chironomids pupae and Odonata nymph) and arthropods (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
6cm
Anal Rays
23

🌡️ Water Parameters & Tolerance

Temperature Range
23–27°C
pH Range
5.8–7.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Eigenmann, 1909

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