Spear squid (Heterololigo bleekeri) that hatch earlier in the season become 'consorts' which fight for mating opportunities. Those which hatch later become 'sneakers,' which use more clandestine ...

The day a male spear squid hatches determines which mating tactic he will use throughout his life, according to new research. Spear squid (Heterololigo bleekeri) that hatch earlier in the season ...

Male spear squid come in two sizes: large (pictured) and small—the so-called sneaker squid. Photograph courtesy Eiji Fujiwara. Small Squid Have Bigger Sperm—And Their Own Sex Position ...

Spear squid males are either consorts, who compete with males for females, or sneakers, who discreetly fertilize eggs. Which tactic a squid will use is determined by their birth date, a study says.

A Caribbean reef squid. ("Betty Wills (Atsme), Wikimedia Commons, License CC-BY-SA 4.0) (CN) — Despite the lack of evidence, cultural beliefs that birthdays influence destiny or relationship patterns ...

For male spear squid, it can tell us a lot about their love life. A team of researchers in Japan have found that the mating tactics of spear squid are heavily influenced by the day they were born.

Male spear squid, also known as Bleeker’s squid, come in two sizes. The larger males are known as “consorts,” while the more diminutive members of the species are known as “sneakers.” ...

A number of species engage in swarming behavior, where countless individuals move en masse in some direction. But they're not the only ones. Scientists ...

Male spear squid, also known as Bleeker’s squid, are either large “consorts,” or small “sneakers.” During mating, consorts will try to court a female by flashing vibrant colors across their bodies; if ...