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💧 Freshwater Least Concern 🌡️ Subtropical

Creagrutus Atrisignum

Creagrutus atrisignum Myers, 1927
← All Species
Max Length
5.5 cm
Max Weight
-
Lifespan
-
Trophic Level
2.5
Depth
-
Climate
Subtropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Creagrutus Atrisignum (Creagrutus atrisignum) is a ray-finned fish of the family Stevardiidae. It inhabits freshwater waters. This species can reach a maximum total length of 5.5 cm. With a trophic level of 2.5, it is an omnivore, consuming both plant and animal matter. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Creagrutus atrisignum
Authority
Myers, 1927
Habitat
Freshwater
Climate
Subtropical
IUCN Status
LC
Max Length
5.5 cm
Trophic Level
2.5
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Creagrutus Atrisignum is currently being compiled.

🌀 Behaviour

Behavioural data for Creagrutus Atrisignum is currently being reviewed.

🦐 Diet

Diet information for Creagrutus Atrisignum is currently being compiled.

🥚 Reproduction

Reproduction data for Creagrutus Atrisignum is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Subtropical South America: Maranhão River basin in Tocantins River drainage.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.5±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L3.01 (TL)
Max TL
5.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.5
Omnivore / Planktivore
Climate Zone
Subtropical
Described By
Myers, 1927

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