Freshwater herring

📖 Overview

Adults occur in clear, moderately fast-flowing streams, as well as in quiet backwaters, estuaries, and in the sea ( Ref. 5259, 44894). Also found in sluggish lowland rivers . A schooling species and appears diadromous. A fast swimming, shoal-forming species. Nothing much is known of its biology, although it may have a catadromous life cycle. Downstream migration to estuaries, presumably for spawning, has been reported in winter months (July-August). They feed on worms, small crustaceans and insects . Breeding occurs in estuaries from July to August. Taken in nets during the spawning season; will also take bait.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 18; Anal spines: 0; Anal soft rays: 16 - 27. Body fairly elongate, belly keeled, with 16 to 18 + 14 or 15 scutes; about 14 dorsal scutes with low keel from head to dorsal fin origin. Minute or no teeth in jaws; second supra-maxilla slender. Branchiostegal rays 8. Anal fin origin far behind dorsal fin base. Juveniles resemble Hyperlophus, which has a deeper second supra-maxilla, only 4 branchiostegal rays and i 6 pelvic fin rays.: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Freshwater herring is currently being reviewed.

🦐 Diet

Diet information for Freshwater herring is currently being compiled.

🥚 Reproduction

Reproduction data for Freshwater herring is currently being compiled.

🌍 Habitat & Distribution

Marine; freshwater; brackish; pelagic-neritic; catadromous . Temperate; 32°S - 39°S, 139°E - 151°E Endemic to southeastern Australia.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🔍 Similar Species

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

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