Kyonemichthys rumengani

The thread pipefish (Kyonemichthys rumengani), also known by its Japanese standard name Hari-youji,[3] is a species of pipefish native to the Pacific Ocean around Indonesia, where it is found at depths from 15 to 20 m (49 to 66 ft).[2] This species grows to a length of 2.68 cm (1.06 in), and is the only known member of its genus.

Kyonemichthys rumengani
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Syngnathiformes
Family: Syngnathidae
Subfamily: Syngnathinae
Genus: Kyonemichthys
Species:
K. rumengani
Binomial name
Kyonemichthys rumengani
M. F. Gomon, 2007[2]

Taxonomy and systematics

Kyonemichthys rumengani was originally described in 2007 based on an adult female specimen collected in the Lembeh Strait, Sulawesi.[4] Originally it was thought to be related to the pygmy pipehorse genera Acentronura & Idiotropiscis based on morphological similarities, but mitochondrial genetic analyses have found that Kyonemichthys is instead a sister taxon to Urocampus, forming a clade which excludes the phylogenetically distant Acentronura, Idiotropiscis, and Siokunichthys.[3]

Distribution and habitat

First discovered in Indonesia, Kyonemichthys rumengani appears to be widespread throughout the Indo-Pacific. It has been recorded in the Red Sea off Egypt, the Ryukyu Islands, the Philippines, Fiji, the Mariana Islands & Papua New Guinea.[3][5] It is found in mixed habitats on shallow coastal reefs & has been observed orienting itself by using bryozoans, hydroids & debris as holdfasts.[3]

References
  1. Pollom, R. (2016). "Kyonemichthys rumengani". The IUCN Red List of Threatened Species. 2016: e.T65369305A67622355. doi:10.2305/IUCN.UK.2016-1.RLTS.T65369305A67622355.en.
  2. Froese, Rainer; Pauly, Daniel (eds.) (2018). "Kyonemichthys rumengani" in FishBase. February 2018 version.
  3. Hanahara, Nozomi; Tanimoto, Miyako; Shirakawa, Naoki (2022). "Kyonemichthys rumengani (Teleostei: Syngnathidae) is Sister Taxon to the Pipefish Genus Urocampus: Genetic and Morphological Evidence". Species Diversity. 27 (2): 293–299. doi:10.12782/specdiv.27.293. S2CID 252893450.
  4. Gomon, M. (2007). "A new genus and miniature species of pipehorse (Syngnathidae) from Indonesia". Aqua. 13: 25–30. S2CID 85587905.
  5. Bogorodsky, Sergey V.; Randall, John E.; Golani, Daniel (2011-10-12). "Four new records of shore fishes for the Red Sea, with notes on Parupeneus heptacanthus and Diodon liturosus". Zootaxa. 3057 (1): 49. doi:10.11646/zootaxa.3057.1.2. ISSN 1175-5334.


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