Kaivo josta kala löytyi, ihmisiä kurkkimassa kaivoon Well from which all specimens of Gitchak nakana were collected. (a) View from outside showing top formed by a ring of concrete. (b) View inside illustrating clear groundwater and internal walls.
Kuvia pitkuliaisesta läpikuultavat punertavasta viikselläästä kalasta Kuvateksti: Gitchak nakana. (a) ZSI FF11123, holotype, 20.8 mm SL, in life, sides reversed, showing overall appearance, note presence of large eggs in body cavity and numerous fat globules (reflective spheres) along dorsal midline and postanal ventral midline. (b) same specimen, after preservation. (c) same specimen, µCT-image to illustrate presence of eight large eggs arranged in a longitudinal series. (d) same specimen, in life, actively swimming in the water column; note large yellow eggs and blood red liver. (e) KUFOS2025.F.11.51, non-type, 16.4 mm SL, in life, close-up of lateral head and body; note swimbladder visible through body wall. (f) KUFOS:2025.FT.11.6, paratype, 20.0 mm SL, frontal view of head to illustrate crown of barbels; note large-calibre red blood vessels supplying rostral (rb), maxillary (mxb) and mandibular (mdb) barbels and small-calibre vessels supplying nasal (nb) and tiny mental barbels (marked by arrow).
Tiesitkö että maan alla pohjavesivarastoissakin elää kaloja? Kaivosta Intiasta löytyi tieteelle uusi kalalaji, nuoliainen, joka sai nimen _ Gitchak nakana _. Se sopeutunut ympäristöönsä hukkaamalla paitsi silmänsä ja pigmenttinsä myös ison palan kallostaan! #evoluutio
www.nature.com/articles/s41...