Redside shiner

📖 Overview

Adults inhabit runs and flowing to standing pools of headwaters, creeks, and small to medium rivers as well as lakes and ponds. Usually found over mud or sand, often near vegetation . They form schools . Fry feed on diatoms, copepods, ostracods, and other small planktonic and demersal crustaceans . Diet changes to terrestrial and aquatic insects, algae, mollusks, fish eggs (including their own), and small fishes like other redside shiners, other minnows, and trout . Preyed upon by mergansers, loons, and mink .

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 8 - 12; Anal soft rays: 10 - 24. Body deep and compressed; dorsal fin origin far behind pelvic fin origin; caudal peduncle narrow; caudal fin deeply forked; snout short and point; mouth terminal; eye large; axillary process at pelvic fin base; lateral line decurved, complete wit 52-67 scales; dorsal fin with 8-12 rays (usually 10); anal fin with 10-24 rays (usually 15); intestine long; peritoneum silver; pharyngeal teeth 2,4-4,2 to 2,5-5,2. Olive-gray to brown above, clear to yellow streak above dark stripe along side; red above pectoral fin base on large individuals; clear to yellow-brown fins. Breeding males are brassy yellow, bright red along lower side .: fusiform / normal.

🌀 Behaviour

Behavioural data for Redside shiner is currently being reviewed.

🦐 Diet

Diet information for Redside shiner is currently being compiled.

🥚 Reproduction

Adults move into spawning streams in the afternoon and evening. Spawning occurs as one female and one or two males thrash violently side by side for a few seconds. Fertilized eggs adhere to gravel and vegetation on the bottom.

🌍 Habitat & Distribution

Freshwater; demersal; potamodromous ; depth range 0 - ? m. Temperate; 59°N - 34°N North America: Pacific Slope drainages from Nass River in British Columbia, Canada to Rogue, Klamath and Columbia River drainages in Oregon, Idaho, Nevada and Wyoming, USA; Bonneville basin in south Idaho, west Wyoming and Utah, USA; Peace River system (Arctic basin) in British Columbia and Alberta, Canada.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🌐 Names & Taxonomy

Scientific Synonyms

🐠 Related Species

🔍 Similar Species

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 22 records indexed .

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