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Oncorhynchus rastrosus (originally described as Smilodonichthys rastrosus [2]) also known as the saber-toothed salmon (now known to be a misnomer), [3] or spike-toothed salmon [1] is an extinct species of salmon that lived along the Pacific coast of North America and Japan. [4]
These fish were not gentle giants, researchers say.
Coelacanth eggs are large, with only a thin layer of membrane to protect them. Embryos hatch within the female and eventually are born alive, which is a rarity in fish. This was only discovered when the American Museum of Natural History dissected its first coelacanth specimen in 1975 and found it pregnant with five embryos. [69]
Oncorhynchus is a genus of ray-finned fish in the subfamily Salmoninae of the family Salmonidae, native to coldwater tributaries of the North Pacific basin. The genus contains twelve extant species, namely six species of Pacific salmon and six species of Pacific trout, all of which are migratory (either anadromous or potamodromous) mid-level predatory fish that display natal homing and ...
The three fish that were found between 2020 and 2023 were found outside their normal range – which could either mean there are more fish living in areas previously unknown or that they migrated ...
Fishermen on one of several reef net fishing boats anchored off Lummi Island pull their nets to catch salmon on Sept. 14, 2023. Reef net fishing is considered one of the most sustainable fish ...
Extinct due to overfishing, predation by the sea lamprey which colonized the lakes in the 1940s, and hybridization with other ciscoes. [89] Deepwater cisco: Coregonus johannae: Lakes Michigan and Huron Last collected in Lake Michigan in 1951, and in Lake Huron in 1952. Extinct due to overfishing, sea lamprey predation, and hybridization with ...
That's how the three giant salmon carp found in the Mekong River and a tributary in Cambodia between 2020 and 2023 came to the attention of researchers. “I was really surprised and excited to see the real fish for the first time,” said Bunyeth Chan, a study co-author and researcher at Svay Rieng University in Cambodia.