What's That Bug? does not endorse extermination

Identification Request: found on Malibu Beach, Southern Califonia
Location:  Malibu, California
July 23, 2010 5:33 pm
These were collected at night the week of the 4th of July by my teenage son on the beach in Malibu, California. They are shown in a regular five gallon bucket and are about an inch long excluding antenna.
During the day I noticed similar looking, but much smaller, bugs jumping on the sand. The color camouflages them well. The small ones were far too fast for me to photograph.
Attached, a small photo. High res one (URL may change):
Signature:
Eli the Bearded

Marine Amphipods

Hi Eli the Bearded,
Good name.  These are some type of Crustacean.  We believe they are Marine Isopods, but we cannot find a matching photo online.  Perhaps our readership can assist.

Marine Amphipods

Karl makes a Correction
These look like marine amphopods (Amphipoda), specifically beachhoppers (Amphipoda: Talitridae).  They are probably Megalorchestia californiana, California Beach Fleas (aka: California Sand Fleas, California Beach Hoppers, Long-horned Beach Hoppers), or perhaps another closely related species.  K
http://www.wallawalla.edu/academics/departments/biology/rosario/inverts/Arthropoda/Crustacea/Malacostraca/Eumalacostraca/Peracarida/Amphipoda/Gammaridea/Talitridae/Megalorchestia_californiana.html

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What's That Bug? does not endorse extermination

4 Responses to Crustaceans: Marine Amphipods

  1. kkroeker says:

    These look like marine amphopods (Amphipoda), specifically beachhoppers (Amphipoda: Talitridae). They are probably Megalorchestia californiana, California Beach Fleas (aka: California Sand Fleas, California Beach Hoppers, Long-horned Beach Hoppers), or perhaps another closely related species. K

    http://www.wallawalla.edu/academics/departments/biology/rosario/inverts/Arthropoda/Crustacea/Malacostraca/Eumalacostraca/Peracarida/Amphipoda/Gammaridea/Talitridae/Megalorchestia_californiana.html

  2. lula says:

    Yeah, I’ve heard these things called “sandhoppers.”

  3. Eli the Bearded says:

    Thanks for the identification.

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