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💧 Freshwater Vulnerable 🌡️ Tropical

Tyttocharax Metae

Tyttocharax metae C. & Taphorn, 2012
Max Length
1.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
0–3 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Found in streams characterized by relatively rapid water current, running over rocky and sandy bottoms at altitudes between 264- 282 m a.s.l., high dissolved oxygen (5.7-7.1 mg/l) and having tea colored water with usually high transparency .

Scientific Name
Tyttocharax metae
Authority
C. & Taphorn, 2012
Habitat
Freshwater
Climate
Tropical
IUCN Status
VU
Max Length
1.9 cm
Depth Range
0–3 m
Trophic Level
3
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Vertebrae: 40 - 41. Diagnosed from other species of the genus Tyttocharax by the presence of bony hooks on the pectoral and caudal-fin rays (vs. absence). Differs from Tyttocharax madeirae and Tyttocharax cochui by the absence of adipose fin (vs. presence), in having larger bony hooks on the anal fin than on the rays of the pelvic fins (vs. bony hooks of the same size on the rays of those fins). Can be separated from Tyttocharax cochui in having i,5-6 pectoral-fin rays (vs. i,7); from Tyttocharax tambopatensis by absence of a sexually dimorphic color pattern in life (vs. presence of sexually dimorphic color pattern, males have bright orange abdomens), by having 4 scales rows between anal-fin origin and lateral line (vs. 6), by the 4 scale rows between pelvic-fin and lateral line (vs. 6), by the number of 5-6 branched pectoral-fin rays (vs. 7); by iii unbranched dorsal-fin rays (vs. ii) and distance between the dorsal and anal-fin origins, 22.3% to 32.2% SL (vs. 38.0-41.0% SL) .

🌀 Behaviour

Behavioural data for Tyttocharax Metae is currently being reviewed.

🦐 Diet

Diet information for Tyttocharax Metae is currently being compiled.

🥚 Reproduction

Reproduction data for Tyttocharax Metae is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 7.1 - 7.6; depth range 0 - 3 m . Tropical South America: Río Güejar system in Meta State, La Macarena Mountains, Orinoco basin, Colombia.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
1.9cm
Vertebrae
41

🌡️ Water Parameters & Tolerance

pH Range
7.1–7.6
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Tropical
Described By
C. & Taphorn, 2012

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