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💧 Freshwater 🌡️ Tropical

Boehlkea Weitzmani

Boehlkea weitzmani Soares, Bertaco, Ito & Zuanon, 2017
Max Length
3.5 cm
Max Weight
-
Lifespan
-
Trophic Level
2.8
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Occurs in small upland forest streams with 1.1-2.7 m width, 0.07-0.33 m depth, and 0.20-0.42 m/s) current velocity draining to both margins of the rio Japurá. The streams are characterized by the following: clear to yellowish; acidic (pH

Scientific Name
Boehlkea weitzmani
Authority
Soares, Bertaco, Ito & Zuanon, 2017
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
3.5 cm
Trophic Level
2.8
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Boehlkea
Boehlkea
Species
Boehlkea Weitzmani
Boehlkea weitzmani

🐟 Physical Description

Dorsal soft rays (total): 10; Anal soft rays: 21; Vertebrae: 36 - 38. Boehlkea weitzmanican be distinguished from B. fredcochui by the following characters: complete lateral line (vs. incomplete); four rows of scales below lateral line (vs. three); a conspicuous vertically elongated humeral spot present (vs. a humeral spot absent); and 17-21 branched anal-fin rays (vs. 22-25). It can be diagnosed from B. orcesiby having 13-14 maxillary teeth (vs. 5-12), head length 27.9-29.9% (vs. 24.3-27.5% of SL), and color pattern consisting of black chromatophores in the basal half of dorsal fin, distal portion of pelvic fin, lower caudal-fin lobe and anal fin (vs. unpigmented fins) .: fusiform / normal.

🌀 Behaviour

Behavioural data for Boehlkea Weitzmani 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: Rio Japurá drainage, rio Solimões basin in Amazonas, Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.8±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01259 × L3.01 (TL)
Max TL
3.5cm
Dorsal Rays
10
Anal Rays
21
Vertebrae
37

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Soares, Bertaco, Ito & Zuanon, 2017

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