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💧 Freshwater 🌡️ Subtropical

Micropterus Chattahoochae

Micropterus chattahoochae Baker, Johnston & Blanton, 2013
Max Length
3.7 cm
Max Weight
1.0 kg
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Micropterus Chattahoochae (Micropterus chattahoochae), first described by Baker, Johnston & Blanton, 2013 is a tiny fish in the family Centrarchidae (order Centrarchiformes). Adults typically reach 3.70 cm in maximum length and up to 1.000 kg. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Micropterus chattahoochae
Authority
Baker, Johnston & Blanton, 2013
Habitat
Freshwater
Climate
Subtropical
Body Shape
Fusiform / normal
Max Length
3.7 cm
Max Weight
1 kg
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 11 - 14; Anal spines: 3; Anal soft rays: 10 - 11. This species belongs to Micropterus coosae species group but differs from all other members by having broad margins of bright orange pigment on posterior dorsal, caudal, and anal fins (vs. red, no orange, or faint orange often limited to anterior portion of anal fin) and by a wider head (postfrontal width 11.8% SL vs. 11.3% or less). It can be further diagnosed from all members except M. tallapoosae by having larger scales (2.9% SL vs. 2.7% or less), 61-67 lateral-line scales (vs. 68-74), 26-28 scales around the caudal peduncle (vs. 29-32) and 89-98 total lateral-line scales plus scales around the caudal peduncle (vs. 96 or more); from M. tallapoosae, M. warriorensis, and M. cahabae by larger tooth patch on tongue of 1.0 mm or more in 78.2% of individuals (absent in 9.0% examined) vs. less than 1.0 mm in 51.7% or more (absent in 25% or more of individuals) .: fusiform / normal.

🌀 Behaviour

Behavioural data for Micropterus Chattahoochae is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 🪺 Nest Builder 🛡️ Egg Guarder
Spawning Season
spring
Spawn Location
Nest
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Subtropical North America: endemic to the Chattahoochee River system on the Piedmont of west Georgia, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.0123 × L3.07 (TL)
Max TL
3.7cm
Max Weight
1,000g
Dorsal Spines
10
Dorsal Rays
13
Anal Spines
3
Anal Rays
11

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Baker, Johnston & Blanton, 2013

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