Macquaria colonorum   (Günther, 1863)

Estuary perch
Catalog of Fishes (gen., sp.) | ITIS | CoL
Classification
Actinopterygii | Perciformes | Percichthyidae
Synonyms
Common names
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Main reference
Size / Weight / Age
Max length : 75.0 cm SL male/unsexed; (Ref. 44894); common length : 40.0 cm SL male/unsexed; (Ref. 5259); max. published weight: 10,000 g (Ref. 5259)
Environment
Demersal; potamodromous (Ref. 5259); freshwater; brackish
Climate / Range
Temperate; 10°S - 40°S
Distribution
Oceania: Endemic to eastern and southern Australia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
Dorsal spines (total): 9 - 10; Dorsal soft rays (total): 8 - 11; Anal spines: 3; Anal soft rays: 7 - 9; Vertebrae: 25. Dark gray on back, becoming paler below with overall silvery sheen; lower sides and belly whitish; fins dusky brown to dark brown, darker distally (except pecorals).
Biology
    Glossary (e.g. epibenthic)
Occurs in lentic and lotic freshwater (Ref. 7300). Most commonly found in tidal waters, but also occurs in rivers and lakes with salinities less than 1-2 ppt (Ref. 5259). Occurs in estuaries and lower, tidal reaches of rivers. Popular angling species that tends to swim near the bottom in deeper water. Feeds on small fishes, molluscs, worms, shrimps and other crustaceans. During winter (July and August) they move to the mouth of estuaries to breed (Ref. 44894). Oviparous, egg is pelagic (Ref. 5259) and hatches in 2-3 days. Male reaches maturity at a length of about 22 centimeters; female at about 28 centimeters (Ref. 44894).
IUCN Red List Status (Ref. 57073)
Threat to humans
  Harmless
Human uses
Fisheries: commercial; gamefish: yes
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Estimation of some characteristics with mathematical models
Resilience (Ref. 69278)
Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)
Vulnerability (Ref. 59153)
Price category (Ref. 80766)
High to very high vulnerability (65 of 100)




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Page last modified by : elaxamana, 15 July 2009

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