Canthigaster amboinensis

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Canthigaster amboinensis
Canthigaster amboinensis.jpg

Least Concern (IUCN 3.1)[1]
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Tetraodontiformes
Family: Tetraodontidae
Genus: Canthigaster
Species:
C. amboinensis
Binomial name
Canthigaster amboinensis
(Bleeker, 1864)

Canthigaster amboinensis, commonly known as Ambon pufferfish or Ambon toby, is a species of pufferfish of the family Tetraodontidae. The species is common, and native, to the tropical Indo-Pacific Ocean, including Australia, Indonesia, Japan, Papua New Guinea, Taiwan and the Hawaiian Islands.[2] The species is named after the island of Ambon in Indonesia.[3]

Description[]

The Ambon toby are overall chunky and rotund, but are fast swimmers and often hard to approach.[3] They can reach a length of 5 in.[3] They can be identified by its dark brown base color, blue-green lines radiating from the eyes, dark blue spots and lines on the cheeks, and iridescent light blue to white spots on head and body, which are absent from the anus to its lower jaw.[4][3] Among 30 species within the genus of Canthigaster, C. amboinensis is rarely included in research studies and can be difficult to differentiate from two other species.[4]

Distribution & Habitat[]

The Ambon toby is found in the tropical Indo-Pacific.[3] Pairs are usually found around boulders in shallow areas close to shore and on reef patches, with females usually occupying 25 m2 and males100-175 m2.[2][3]

Diet[]

A research study of C. amboinensis off of Oahu, Hawaii found that they have a diverse diet. They found 43.6% of algae, 12.7% of polychaetes, 4.7% of gastropods, and 3.2% unidentified in their stomachs.[2]

Reproduction[]

The male tend to fertilize eggs as they hover near the nesting area in which a female is laying its eggs. Within one spawning site, the female lays her eggs for about 20–30 seconds. Females of C. amboinensis are reported to have about five different spawning bouts that last about 45–80 seconds each.[2]

References[]

  1. ^ Shao, K.; Liu, M.; Jing, L.; Hardy, G.; Leis, J.L. & Matsuura, K. (2014). "Canthigaster amboinensis". The IUCN Red List of Threatened Species. IUCN. 2014: e.T193675A2258615. doi:10.2305/IUCN.UK.2014-3.RLTS.T193675A2258615.en. Retrieved 9 January 2018.
  2. ^ a b c d Sikkel, Paul C.; Sikkel, Niko M. (November 2012). "First report of spawning and social organization in Hawai'ian Ambon Toby, Canthigaster amboinensis". Ichthyological Research. 59 (4): 394–395. doi:10.1007/s10228-012-0290-2. ISSN 1341-8998.
  3. ^ a b c d e f Hoover, John P. (2008). The ultimate guide to Hawaiian reef fishes sea turtles, dolphins, whales, and seals. John P. Hoover. Honolulu: Mutual Pub. ISBN 978-1-56647-887-8. OCLC 243960518.
  4. ^ a b Allen, Gerald R.; Randall, John E. (1977-12-31). "Review of the sharpnose pufferfishes (subfamily Canthigasterinae) of the Indo-Pacific". Records of the Australian Museum. 30 (17): 475–517. doi:10.3853/j.0067-1975.30.1977.192. ISSN 0067-1975.

External links[]


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