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Fish brains get bigger when they have to think harder and shrink when they are in less challenging environments, studies find Brains of rainbow trout that escaped a fish farm into the wild were 15% heavier The gray matter of lake trout grows in winter when they approach the shoreline, but shrinks in summer when … Read more
At some point back in deep time, a group of fish were washed into a limestone cave somewhere in northeastern Mexico. With no way out and little more than bat droppings to eat, the fish began to adapt to their new troglodytic lifestyle. Unable to see other members of their group in the dark, they … Read more
Helmet-heads of the freshwater fish world, African mormyrid fishes are known for having a brain-to-body size ratio that is similar to humans. But there’s actually a great deal of variation in the size of mormyrid brains. These differences provide an opportunity to look at what’s behind the bulk. Researchers from Washington University in St. Louis … Read more
File:Fish brain.png Original file (690 × 1,206 pixels, file size: 98 KB, MIME type: image/png) Captions Captions Summary[edit] DescriptionFish brain.png English: Schematic dorsal view of the brain of a trout (Oncorhynchus mykiss) with key features labelled. Date 29 September 2007 (original upload date) Source Transferred from en.wikipedia Author Original uploader was Neale Monks at en.wikipedia … Read more
New research led by Flinders University paleontologist Dr. Alice Clement showed that the cranium of an Australian fish fossil had given insights on evolution, particularly on how the fish first left the waters and invaded the land. The press release via EurekAlert! reported that this big-headed fish is the Cladarosymblema narrienense, a 330 million-year-old fish … Read more
New maps hint at how electric fish got their big brains Helmet-heads of the freshwater fish world, African mormyrid fishes are known for having a brain-to-body size ratio that is similar to humans. But there’s actually a great deal of variation in the size of mormyrid brains. These differences provide an opportunity to look at … Read more
We all know and love the expanding brain meme. It’s versatile, iconic, and perfect for getting a point across. Well, it turns out that trout might find this meme relatable too. A recent collaborative study by researchers at UTM, the University of Guelph, and the Ontario Ministry of Natural Resources found that the brain size … Read more
Video Quay lại Trang chủ video Bộ sưu tập Signature Bộ sưu tập Essentials Những tìm kiếm thịnh hành Video Mùa xuân Văn phòng Máy tính xách tay Phông nền Gia đình Tính bền vững Các danh mục phổ biến Video Video thiên nhiên Video công việc và nghề nghiệp Video khám phá Video thú … Read more
Science Not Exactly Rocket Science Scientists breed smarter fish but reveal costs of big brains In a Swedish lab, Alexander Kotrschal has deliberately moulded the intelligence of small fish called guppies. From a starting population, he picked individuals with either unusually large or small brains for their bodies, and bred them together. It’s what farmers … Read more
Oranda Oranda Country of origin China Type Veiltailed Breed standards BAS An oranda is a breed of goldfish characterized by a prominent bubble-like “hood” on the head. The headgrowth or hood (also known as wen or crown) may be a prominent growth on the top of the head (cranial region) or may encase the entire … Read more