Billfish - Wikipedia
Billfish have a long, bony, spear-shaped bill, sometimes called a snout, beak or rostrum. The swordfish has the longest bill, about one-third its body length. Like a true sword, it is smooth, flat, pointed and sharp. The bills of other billfish are shorter and rounder, more like spears. [40]
Fishing 101: What is a Billfish? - US Harbors
2022年4月11日 · Billfish are some of the most advanced species on the planet. Highly migratory, billfish spend their lives in a constant state of movement, making their way from to tropical breeding grounds in the winter, and back to subtropical feeding grounds in the summer.
游速最快的真骨鱼类基因组解析揭开鱼类恒温起源之谜----中国科 …
2021年2月3日，中国科学院深海科学与工程研究所与西北工业大学的联合团队在进化生物学国际著名期刊 《Molecular Biology and Evolution》上发表论文“ The genomes of two billfishes provide insights into the evolution of endothermy in teleosts ”公布了高质量的剑鱼、旗鱼基因组，解析了它们的恒温机制。 剑鱼和旗鱼相关的恒温通路以及表型相关的遗传改变.
Vol.5. Billfishes of the world - Food and Agriculture Organization
The present volume includes the two families and all 12 species of billfishes known so far. It provides a comprehensive and illustrated key to families and species, with a glossary of technical terms and measurements.
Tunas and Billfishes of the World
The definitive resource on tunas and billfishes from the world's top authorities. Tunas and Billfishes are peak predators of the oceans. Admired by scientists and naturalists for their speed, grace, unique physiology, and diversity, they are important both ecologically and socioeconomically.
volume includes the two families and al1 12 species of billfishes known SO f a r . It provides a comprehensive and illustrated key to families and species, with a glossary of technical terms and measurements. Within each family are given individua1 accounts of species which include drawings, scientific and vernacular names, information o n
Seventy years of tunas, billfishes, and sharks as sentinels of global ...
2022年11月11日 · Our study connects annual changes in fishing mortality and extinction risk globally over the past 70 years for oceanic tunas, billfishes, and sharks and reveals how effective management for highly valuable commercial species of tunas and billfishes has reversed the biodiversity loss curve while the extinction risk of undermanaged sharks ...
Tunas and Billfishes of the World | Hopkins Press
The result is Tunas and Billfishes of the World, a lavishly illustrated, definitive guide that can also serve as the baseline for re-evaluating the threat status of all the species of this important group of fishes.
Billfishes - Talk About Fish
Billfishes are among the largest and swiftest fishes of the oceans, mostly found near the surface of waters. They are long distance migratory fishes. They are carnivorous fish, and feed commonly on other schooling fishes, crustaceans and squids. They are excellent game fishes and frequently caught using drifting bait.
Billfish Species Overview: What are Black Marlin ... - What are billfish?
2013年4月23日 · Billfish can be found spread throughout the worlds oceans and are defined as highly migratory species but typically reside in tropical or sub-tropical waters. The prey of these apex predators differs from a variety of small fishes to crustaceans and cephalopods (i.e. squid).