General information |
||
| Macrognathus aculeatum (Bloch, 1786) | ||
| Common name | Lesser spiny eel, Gachi | |
| Valid name | Macrognathus aculeatus (Bloch, 1786) | |
| Synonyms |
Ophidium aculeatum Bloch, 1786 Mastacembelus aculeatus (Bloch, 1786) Rhyncobdella aculeata (Bloch, 1786) Macrognathus aculeata (Bloch, 1786) Rhynchobdella aculeata Bloch, 1786 Rhynchobdella ocellata Cuvier, 1832 Ophidium aculeatum Bloch, 1786 Mastacembelus aculeatus (Bloch, 1786) Rhyncobdella aculeata (Bloch, 1786) Macrognathus aculeata (Bloch, 1786) Rhynchobdella aculeata Bloch, 1786 Rhynchobdella ocellata Cuvier, 1832 |
|
| IUCN Red List status (2014) | Not Reported |
|
| Habitat | Freshwater |
|
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata; Anabantomorpharia; Synbranchiformes; Mastacembelidae. |
|
| Geographical distribution | India; China; Indonesia; Bangladesh; Malaysia; Singapore; Thailand; Taiwan; South Korea; Vietnam; Myanmar; Laos; Nepal |
|
| Occurrence | Native: India, China, Indonesia, Bangladesh, Malaysia, Singapore, Thailand, Taiwan, South Korea, Vietnam, Myanmar, Laos Questionable: Nepal |
|
| Importance | Food/ornamental |
|
| Remarks | No heteromorphic pair(s) in karyotype. |
|
Karyological information |
||
| Geographical area of study | Freshwater, South eastcoast of India | |
| Source of chromosomes | Gill epithelium |
|
| Number of specimens with sex | Not reported |
|
| Diploid chromosome number | 48 |
|
| Karyotype formula | 46m+2sm |
|
| Fundamental arm number | ||
| Chromosome length | 1.33 to 2.33 |
|
| Sex chromosome | No heteromorphic pair(s) in karyotype. |
|
| Chromosome staining/banding/FISH | Not reported |
|
| Reference(s) |
Natarajan R, Subrahmanyam K (1974). A Karyotype Study of Some Teleosts from Portonovo Waters. Proceedings of the Indian Academy of Sciences - Section B79(5): 173-196. |
|