New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Near Threatened 🌡️ Subtropical

Orangetail shiner

Pteronotropis merlini Suttkus & Mettee, 2001
Max Length
5.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
17.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Adults inhabit sand-bottomed and silt-bottomed pools and runs of headwaters, creeks and small rivers, usually along undercut banks and debris . They occur in reduced current, under overhanging vegetation or an overhanging bank, around stumps or roots, or occasionally under floating debris caught on snags or trailing brush of Smilax or Vitis vines . Migratory behaviour is undetermined .

Scientific Name
Pteronotropis merlini
Authority
Suttkus & Mettee, 2001
Habitat
Freshwater
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
NT
Max Length
5.4 cm
Trophic Level
3
Resilience
High
Vulnerability
17.00/100
Water Temp
12–23 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 7 - 9; Anal soft rays: 8 - 11; Vertebrae: 36 - 38. Body very deep. Caudal fin and most of the anal fin on nuptial males are bright orange. Nuptial males have a chevron or lunate-shaped blotch of dark pigment slightly separated from the posterior end of the dark lateral band. Anterior rays of dorsal fin fall short of the tips of the posterior rays in the depressed fin .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Orangetail shiner is currently being reviewed.

🦐 Diet

Diet information for Orangetail shiner is currently being compiled.

🥚 Reproduction

Reproduction data for Orangetail shiner is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Subtropical; 12°C - 23°C North America: Choctawhatchee River system above confluence with Pea River in Alabama, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L3.06 (TL)
Max TL
5.4cm
Dorsal Rays
8
Anal Rays
10
Vertebrae
37

🌡️ Water Parameters & Tolerance

Temperature Range
12–23°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
17.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Suttkus & Mettee, 2001

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Orangetail shiner ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.