| Bellapiscis medius | |
|---|---|
| |
| Conservation status | |
 Least Concern (IUCN 3.1) | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Blenniiformes |
| Family: | Tripterygiidae |
| Genus: | Bellapiscis |
| Species: | B. medius |
| Binomial name | |
| Bellapiscis medius (Günther, 1861) | |
| Synonyms | |
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Bellapiscis medius, the twister, is a triplefin fish of the family Tripterygiidae, commonly found around the coast of New Zealand. Its length is between 5 and 10 cm.
Habitat
This species is the only triplefin that as an adult lives in intertidal zone habitat. It can be observed in tidal pools and has adapted to survive the changes in temperature, oxygen saturation and levels of water acidity that accompany living in that habitat. The abundance of this fish in tidal pools decreases during the winter months.
Prey
B. medius feeds on small crustaceans including barnacles, molluscs including snails, and amphipods.
References
- Clements, K.D. (2014). "Bellapiscis medius". IUCN Red List of Threatened Species. 2014: e.T178948A1551471. doi:10.2305/IUCN.UK.2014-3.RLTS.T178948A1551471.en. Retrieved 20 November 2021.
- Ayling, Tony; Cox, Geoffrey J. (1982). Collins guide to the sea fishes of New Zealand. Auckland : Collins. ISBN 0-00-216987-8. OCLC 9506630.
- Froese, Rainer; Pauly, Daniel (eds.). "Bellapiscis medius". FishBase. November 2005 version.
- ^ Carson, Sally F.; Morris, Rod (2017). Collins field guide to the New Zealand seashore. Auckland, New Zealand: HarperCollins. p. 307. ISBN 978-1-77554-010-6. OCLC 1012909625.
- Willis, Trevor J.; Roberts, Clive D. (1996). "Recolonisation and recruitment of fishes to intertidal rockpools at Wellington, New Zealand". Environmental Biology of Fishes. 47 (4): 329–343. doi:10.1007/BF00005047. S2CID 40418986 – via Researchgate.
| Taxon identifiers | |
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| Bellapiscis medius | |
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