Cardinalfish caught sneaking a bit on the side
Scientists have revealed the torrid, adulterous love lives of the mouth-brooding cardinalfish, with cuckoldry going hand-in-hand with cannibalism of the young.
Scientists have revealed the torrid, adulterous love lives of the mouth-brooding cardinalfish, with cuckoldry going hand-in-hand with cannibalism of the young.
Plants & Animals
Jun 5, 2019
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4
Striking traits seen only in males of some species – such as colourful peacock feathers or butterfly wings – are partly explained by gene behaviour, research suggests.
Plants & Animals
Mar 22, 2019
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53
Each spring, male plainfin midshipman fish (Porichthys notatus) —a kind of toadfish —emerge from the depths of the Pacific Ocean to breed on the beach. They overwhelm the beach at low tide, wedge themselves beneath ...
Plants & Animals
Feb 22, 2019
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5
Male cichlid fish sometimes fertilize eggs in nests belonging to one of their male relatives, a behaviour that is counter-intuitive yet ultimately beneficial, according to a study published in BMC Biology.
Plants & Animals
Jan 30, 2019
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67
Cutlip minnows, a species of small fish that inhabit streams, could be described as the master interior decorators of the fish world.
Plants & Animals
Nov 9, 2018
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Female guppies with smaller brains can distinguish attractive males, but they don't recognise them as being more appealing or choose to mate with them, according to a new study by UCL and Stockholm University researchers.
Evolution
Oct 8, 2018
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101
Fossil discoveries from the Devonian rocks of Scotland and Australia first revealed that the earliest jawed fishes, the placoderms, reproduced using copulation in much the same way as sharks and rays do today.
Archaeology
Jul 19, 2018
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2
The media has reported about feminised male fish for decades, but now researchers at SDU have announced that this feminisation has completely disappeared in certain parts of Denmark.
Environment
Nov 28, 2017
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Male live-bearing fish are evolving faster than female fish, according to a Kansas State University study, and that's important for understanding big-picture evolutionary patterns.
Plants & Animals
Jul 18, 2017
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206
(Phys.org)—Professor Charles Tyler of the University of Exeter in Britain (and colleagues) has conducted a study of the impact of chemicals from human waste treatment plants in rivers and streams on the fish that live in ...