Crystal darter

📖 Overview

Crystal darter (Crystallaria asprella) is a ray-finned fish of the family Percidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 16 cm. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Vulnerable on the IUCN Red List.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 10 - 17; Dorsal soft rays (total): 11 - 15; Anal soft rays: 12 - 16. Gape width 3.7-6.1% SL; preorbital blotch adjoined to or narrowly separate from anterior orbital rim; and pelvic fins not falcate; cheek scale rows 4-14, modally 11; opercle scale rows 2-13, modally 4; mid-lateral blotches 8-14, modally 10; anal-fin rays 12-16, modally 14; dorsal-fin spines 10-17, modally 14; scales below the lateral line 7-14, modally 9 .: elongated.

🌀 Behaviour

Behavioural data for Crystal darter is currently being reviewed.

🦐 Diet

Diet information for Crystal darter is currently being compiled.

🥚 Reproduction

Assumed to be the same as A. pellucida.

🌍 Habitat & Distribution

Freshwater; demersal; potamodromous . Temperate; 45°N - 31°N North America: Mississippi River basin from Ohio to Minnesota and south to southern Mississippi, northern Louisiana and southeastern Oklahoma in the USA; and on Gulf Slope in Escambia, Mobile Bay and Pearl River drainages.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 9 records indexed .

👥 Community & Contribute