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crested weedfish

Cristiceps australis

  • Fish
  • IUCN: Least concern
  • Usual depth1–11 m
  • Water temperature14–22 °C
  • Best monthsMarch, September, and December
  • How commonOccasional
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Photo credit: (c) Josh Nitschke, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Cristiceps australis, the crested weedfish, is a species of clinid found around southern Australia in the subtidal zone from low water to depths of about 30 metres (98 ft) preferring areas with plentiful seaweed growth. This species can reach a length of 18 centimetres (7.1 in) TL.

Text from the Wikipedia article “Cristiceps australis”, 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: 86 records
  • February: 88 records
  • March: 133 records
  • April: 72 records
  • May: 23 records
  • June: 56 records
  • July: 21 records
  • August: 39 records
  • September: 94 records
  • October: 41 records
  • November: 68 records
  • December: 152 records

Depth and water temperature

Depth

Mostly recorded at 1–11 m · Deepest record: 55 m

  • 0–10 m: 129 records
  • 10–20 m: 10 records
  • 20–30 m: 3 records
  • 30–40 m: 1 records
  • 40–50 m: 3 records
  • 50–60 m: 1 records

Water temperature

Recorded in surface water of 14–22 °C

  • 12–14 °C: 13 records
  • 14–16 °C: 204 records
  • 16–18 °C: 47 records
  • 18–20 °C: 188 records
  • 20–22 °C: 70 records
  • 22–24 °C: 1 records

Names and classification

English
crested weedfish, Southern Crested Weedfish, Weed Fish

Other scientific names: Cristiceps axillaris, Cristiceps howittii, Cristiceps macleayi, Cristiceps pallidus, Cristiceps splendens

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).
  • 1,021 open-data records from 1886 to 2022.
  • Species data updated November 1, 2026.

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