dcsimg

Trophic Strategy

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Occurs in creeks and lakes, usually among aquatic weeds. Feeds on insects, insect larvae and planktonic crustaceans.
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Recorder
Drina Sta. Iglesia
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Biology

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Inhabits streams and small lakes; prefers flowing water with abundant cover in the form of aquatic vegetation (Ref. 44894). Occurs in creeks and lakes, usually among aquatic weeds. Feeds on insects, insect larvae and planktonic crustaceans (Ref. 5259, 44894). Swims in small shoals, sometimes with N. australis. Breeding season is in spring (September and October). Slight morphological differences exist between populations from the extreme western and eastern parts of the range that could warrant their placement into separate subspecies (Ref. 44894).
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Importance

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fisheries: of no interest; aquarium: commercial
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Yarra pygmy perch

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The Yarra pygmy perch (Nannoperca obscura) is a species of temperate perch endemic to Australia. It occurs in the coastal drainages of southeastern Australia, preferring streams and lakes with plentiful vegetation and flowing water. It feeds on small insects and their larvae, as well as small crustaceans. This species can reach a total length of 7.5 cm (3.0 in), though most only reach about 5 cm (2.0 in). Yarra pygmy perch are olive-green above, greenish-brown on the sides, and yellowish-white below, with chevron-shaped markings on rear half of the body.[3] It can also be found in the aquarium trade.[2]

References

  1. ^ Whiterod, N.; Hammer, M.; Raadik, T.; Coleman, R.; Wedderburn, S.D.; Veale, L.; Saddlier, S. (2019). "Nannoperca obscura". IUCN Red List of Threatened Species. 2019: e.T39301A123379189. doi:10.2305/IUCN.UK.2019-3.RLTS.T39301A123379189.en. Retrieved 15 November 2021.
  2. ^ a b Froese, Rainer; Pauly, Daniel (eds.) (2014). "Nannoperca obscura" in FishBase. February 2014 version.
  3. ^ Dianne J. Bray; Vanessa J. Thompson (2019). "Nannoperca obscura". Fishes of Australia. Museums Victoria. Retrieved 15 May 2020.
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Yarra pygmy perch: Brief Summary

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The Yarra pygmy perch (Nannoperca obscura) is a species of temperate perch endemic to Australia. It occurs in the coastal drainages of southeastern Australia, preferring streams and lakes with plentiful vegetation and flowing water. It feeds on small insects and their larvae, as well as small crustaceans. This species can reach a total length of 7.5 cm (3.0 in), though most only reach about 5 cm (2.0 in). Yarra pygmy perch are olive-green above, greenish-brown on the sides, and yellowish-white below, with chevron-shaped markings on rear half of the body. It can also be found in the aquarium trade.

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