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💧 Freshwater Least Concern 🌡️ Tropical

Microglanis Carlae

Microglanis carlae Vera Alcaraz, da Graça & Shibatta, 2008
Max Length
3.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs in moderately flowing sections of streams with dark brown water and bottom of sand and mud. Collected using a dip net under floating vegetation at a depth of 1.5 to 2 m . Two specimens have stomach contents consisting of algae and insect larvae .

Scientific Name
Microglanis carlae
Authority
Vera Alcaraz, da Graça & Shibatta, 2008
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
3.4 cm
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 6; Anal soft rays: 9 - 11. A member of the Microglanis parahybae species complex on the basis of color pattern which differs from other species of the genus by having the following combination of characters: paired and anal fins mottled or with thin faint bands, trunk with dark-brown saddles, anterior margin of pectoral spine with serrations retrorse proximally and antrorse distally, tip of pectoral spine as a distinct bony point, continuous portion of lateral line reaching vertical through last dorsal-fin ray, caudal peduncle with irregularly shaped, faint to dark blotch, maxillary barbel surpassing vertical through dorsal-spine origin, and dark bar on posterior flank continuous from base of adipose fin to that of anal fin . : elongated.

🌀 Behaviour

Behavioural data for Microglanis Carlae is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: Río Paraguay basin in Paraguay.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00676 × L3.11 (TL)
Max TL
3.4cm
Dorsal Spines
1
Dorsal Rays
6
Anal Rays
10

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Vera Alcaraz, da Graça & Shibatta, 2008

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