Unusual Bycatch in the Pink Shrimp Fishery Spot Prawn Pandalus platyceros Coonstripe Shrimp Sidestripe Shrimp Pandalopsis dispar Eualid Shrimp Eualus spp. Blade Shrimp • Two pairs of spots on tail Pandalus danae • Single white bar from head to tail • Rostrum prominent and spiny, but Spirontocaris spp. • White lines along carapace • Red/brown stripes from head to tail • If unbroken, they have a long, slender rostrum usually not longer than carapace • Rostrum deep and serrated • Red and white spots on head • Long antennae - 1.5 times length of body • ~10 species found on the West Coast • ~8 species found on the West Coast • Whitish in color Spots Rostrum Rostrum Carapace Lines White bar Largest pandalid shrimp species Second largest pandalid shrimp species Crangon Shrimp Horned Shrimp Deepwater Mud Shrimp Shame-faced Crab Squat Lobster Crangon spp. Paracrangon echinata Calicorides spinulacauda Platymera gaudichaudii Superfamily Galatheoidea • Rostrum short or absent • Heavily armored and spined • Burrowing shrimp. Offshore relative of Mud and • Two pointed spines on either side of carapace • Also called Tuna Bugs, Pelagic Red Crabs, Pinch Bugs • ~15 species found on the West Coast Ghost Shrimps found in bays and estuaries • Also known as Armored Box Crab • Commonly seen during El Niño years • Claws cover face Aegid Isopod Heart Urchin Fragile Urchin Market Squid Stubby Squid Aegid spp. Brisaster spp. Strongylocentrotus fragilis Doryteuthis opalescens (formerly Loligo opalescens) Rossia pacifica • Also known as Sea Cockroaches • Egg masses sometimes caught, often wash up • Not a true squid, more closely related to cuttlefish • Related to pillbugs and sowbugs on beaches. Look for tiny pairs of eyes in each egg • Also called Bobtail Squid • One of California’s most valuable fisheries Market Squid eggs 8 arms, 2 tentacles, but lack a quill or cuttlebone Pacific Stinkworm Nudibranch California Sea Slug Pacific Sea Nettle Pyrosome Pyrosoma atlanticum Travisia pupa Tritonia diomedea Pleurobranchaea californica Chrysaora fuscescens • Usually smelled before seen • This is a common nudibranch, • One of the largest sea slugs, up to 10” long • These tunicates are made up of • Also referred to as Garlic Worm several more are found as bycatch • More common since 2014-15 El Niño thousands of tiny individuals that create one structure called a colony • They draw water into the center of the colony to filter feed on plankton and move in the water column • The deflated pyrosomes were likely stuck in the net from a previous haul Nudi = Naked • Pyro = fire, Some = body: they are Branch = Gill bioluminescent, and glow at night All nudibranchs are sea slugs. Not all sea slugs are nudibranchs Sting can be irritating, rarely dangerous Pyrosomes and shrimp on a sorting belt.