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Largenosed Weedfish

Heteroclinus nasutus

  • Fish
  • IUCN: Least concern
  • Usual depth2 m
  • Water temperature16–23 °C
  • Best monthsMarch and May
  • How commonRare
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About this species

Heteroclinus nasutus, the large-nose weedfish, is a species of clinid that is found in the waters of the Pacific Ocean coast of Australia where it prefers algae covered rocky outcrops along the coast down to a depth of about 10 metres (33 ft). This species can reach a maximum length of 9 centimetres (3.5 in) TL.

Text from the Wikipedia article “Heteroclinus nasutus”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

  • January: 5 records
  • February: 11 records
  • March: 22 records
  • April: 5 records
  • May: 16 records
  • June: 0 records
  • July: 1 records
  • August: 5 records
  • September: 0 records
  • October: 1 records
  • November: 5 records
  • December: 1 records

Depth and water temperature

Depth

Mostly recorded at 2 m · Deepest record: 2 m

  • 0–10 m: 3 records

Water temperature

Recorded in surface water of 16–23 °C

  • 14–16 °C: 6 records
  • 16–18 °C: 1 records
  • 18–20 °C: 20 records
  • 20–22 °C: 50 records
  • 22–24 °C: 14 records

Names and classification

English
Largenosed Weedfish, Large-nose Weedfish, Largenose Weedfish

Other scientific names: Cristiceps nasutus, Petraites nasutus

Similar species

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

  • Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
  • Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
  • Conservation status as published by GBIF (IUCN Red List).
  • 119 open-data records from 1915 to 2023.
  • Species data updated November 3, 2026.

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