Etheostoma Xanthovum

📖 Overview

This species inhabits headwater streams to medium-sized rivers with slow-flowing water and subtstrate mainly composed of sand and gravel. Occurences were also recorded in sloughs and wetlands with soft subtrate of silt and mud over detritus, woody debris, and emergent aquatic vegetation .

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 7 - 10; Dorsal soft rays (total): 11 - 13; Anal soft rays: 7 - 8. This species is distinguished from its congeners by the following set of characters: absence of modified scales along the midline and translucent skin; presence of a row of three black spots at the base of the caudal fin and dorsal fin rays that extend beyond the fin margin in breeding males; lateral line is incomplete with 41 to 55 lateral line scales, of which 27 to 47 are pored; transverse scale row 12 to 18; scale rows above lateral line modally, scale rows below lateral line modally 8; scale rows around caudal peduncle 19 to 25; dorsal fin spines modally 9; dorsal fin rays modally 12; pectoral fin rays modally 12; anal fin spines 2; anal fin rays 7 to 8; second dorsal fin rays branch into two to four rays that are equal in length, terminating in yellow keratin knobs referred to as egg-mimics in nuptial males; scaled cheek, opercle, breast, nape, and belly are all scaled .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Etheostoma Xanthovum is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Freshwater; benthopelagic. Subtropical North America: USA.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute