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  | |
| 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
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