Bellapiscis medius explained

Bellapiscis medius, the twister, is a triplefin fish of the family Tripterygiidae, commonly found around the coast of New Zealand.[1] Its length is between 5 and 10 cm.

Habitat

This species is the only triplefin that as an adult lives in intertidal zone habitat.[2] 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.[3]

Prey

B. medius feeds on small crustaceans including barnacles, molluscs including snails, and amphipods.

Notes and References

  1. Book: Ayling . Tony . Collins guide to the sea fishes of New Zealand . Cox . Geoffrey J. . 1982 . Collins . 0-00-216987-8 . Auckland [N.Z.] . 9506630.
  2. Book: Carson . Sally F. . Collins field guide to the New Zealand seashore . Morris . Rod . . 2017 . 978-1-77554-010-6 . Auckland, New Zealand . 307 . English . 1012909625.
  3. 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 . 10.1007/BF00005047 . 40418986 . Researchgate.

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