A small brown crustacean with white spots on it moving on a red branch.
Seaweed Has Its Own Matchmakers: Small Crustaceans
A species that transports the spermatia of red algae is the first known instance of an animal facilitating fertilization in this ancient photosynthetic lineage.
Seaweed Has Its Own Matchmakers: Small Crustaceans
Seaweed Has Its Own Matchmakers: Small Crustaceans

A species that transports the spermatia of red algae is the first known instance of an animal facilitating fertilization in this ancient photosynthetic lineage.

A species that transports the spermatia of red algae is the first known instance of an animal facilitating fertilization in this ancient photosynthetic lineage.

crustacean
Octopus in tank lined with black dots
Do Invertebrates Have Emotions?
Natalia Mesa | May 26, 2022 | 5+ min read
And how do scientists go about answering that question?
Close up photo of a wing
Unearthing the Evolutionary Origins of Insect Wings
Jef Akst | Apr 4, 2022 | 5+ min read
A handful of new studies moves the needle toward a consensus on the long-disputed question of whether insect wings evolved from legs or from the body wall, but the devil is in the details.
Unearthed: World’s Oldest Animal Sperm—And It’s Giant
Max Kozlov | Dec 1, 2020 | 2 min read
The sperm, belonging to a tiny marine crustacean, dates back nearly 100 million years, making it the most ancient animal sperm found to date.
Image of the Day: Light Show
Carolyn Wilke | Feb 7, 2019 | 1 min read
Sea fireflies spew a mucus with a chemical glow to lure mates and avoid being eaten.
Image of the Day: Clubbing
Kerry Grens | Oct 19, 2018 | 1 min read
Mantis shrimps’ remarkably swift kicks come from springs built into their dactyl clubs.
Image of the Day: Swiss Army Crustacean
The Scientist Staff and The Scientist Staff | May 2, 2018 | 1 min read
The tools researchers used to study how this amphipod’s limbs develop could help inform our understanding of cell lineages and fates.
Pinpointing the Origin of Marbled Crayfish Clones
Diana Kwon | May 1, 2018 | 5 min read
Research suggests that the invasive, all-female Procambarus virginalis originated in a German aquarium back in the 1990s.
Image of the Day: A Shrimp and a Cockroach
The Scientist Staff and The Scientist Staff | Oct 2, 2017 | 1 min read
In the mantis shrimp brain, scientists uncover mushroom bodies—learning and memory structures typically found in the brains of insects. 
Behavior Brief
Catherine Offord | Jun 13, 2016 | 5 min read
A round-up of recent discoveries in behavior research
Behavior Brief
Amanda B. Keener | Jul 6, 2015 | 5 min read
A round-up of recent discoveries in behavior research
The Mantis Shrimp’s UV View
Bob Grant | Jul 7, 2014 | 1 min read
A crustacean’s eyes are tuned to ultraviolet frequencies with the help of a biological sunblock molecule.
Anxious Crayfish
Kerry Grens | Jun 16, 2014 | 1 min read
A crustacean appears anxious after a stressful experience, but a drug can fix it, according to a new study.
Confirmed Venomous Crustacean
Abby Olena | Oct 22, 2013 | 2 min read
Researchers show that a cave-dwelling crustacean may use venom to immobilize and digest its prey.
Do Crustaceans Feel Pain?
Kate Yandell | Aug 9, 2013 | 1 min read
An animal behavior professor argues that crabs and lobsters respond to electrical shocks in a way that suggests discomfort.