PPT-Crayfish and Crab culture

Introduction Crayfish are small freshwater arthropods that resemble lobsters They are usually brownishgreen in color but some species may be white pink or even blue Freshwater crayfish are divided into two family groups. Crayfish Study. Scenario:. We are Biological Technicians for National Park Service at Lake Roosevelt National Recreation Area. Part of our job is to help with the Crayfish Inventory and Monitoring Program. For this study our duties will be to set and take in the crayfish traps as well as collecting and analyzing the data.. Marx Caesar S. . Barluado. Mishari. Rashid M. . Lucman. What is the study all about?. The study aims to determine whether crushed crab shells can be a potential pH buffer. Crushed crab shells contain calcium carbonate which is believed to be a potential pH buffer. Which then leads to production of cheaper buffers compared to commercial ones.. By: . Makyndria. . Thompson. Out Side. In Side. Small and Mighty !! . In a horseshoe crabs’ regular diet it only eats worms and clams. Know wonder they are small. The horseshoe crab ranges between 18-19 in. from head to tail. . Brian Helms. 1. and Jim Stoeckel. 2. 1. Department of Biological Sciences. 2. School of Fisheries, Aquaculture, and Aquatic Science. Auburn University, AL 36849. Role of crayfishes in ecosystems. Consumers. a keystone species. Miss Robertson 7R. Horseshoe crab. habitat. T. he Horseshoe Crab can be found living in warm, shallow coastal waters. They prefer sandy or muddy ocean bottoms. Horseshoe Crabs can be mainly found on the Eastern seaboard of the United States; down the Gulf Coast, and along the east coast of Mexico. Spiders, ticks, mites, scorpions. Spider structure. Cephalothorax. . Anterior region of the body. Abdomen. Posterior region of the body. Eyes. 8 simple eyes on the . cephalothorax. Pedipalps. Foot like appendages used for: feeling, sensing chemicals, holding food, communication and mating. Jenny. A . male crab is called a Buck.. Did you know?. Crabs have blue blood, Worms have green blood, and Starfish have . clear blood. .. Callinectes. . sapidus. :. The Blue Crab. Savory Beautiful Swimmers. McClanahan,T.R. (1997). Predation and the distribution and abundance of tropical sea ur-chin popuIations.Journal of Experimental Marine, Biology and Ecology221: 231-255.McShane P.E. (1997). A summary McClanahanTR 1997 Predation and the distribution and abundance of tropical sea ur-chin popuIationsJournal of Experimental Marine Biology and Ecology221 231-255McShane PE 1997 A summary of commercial c LUNCH MENUcali-cucumberroosteravocado eel zucchinicrab srirachacrunchy shrimptempura shrimp avocadospicy aiolitopped with tempura crunchiesspicy shiitakeshiitake mushroom cucumberchili garlic sauceswe commonly . found in the intertidal zone in northern New England. The purpose of this field guide is to help identify the native and invasive crab species most commonly found in the intertidal zone in northern New England. This guide is also a tool for conducting intertidal green crab quadrat surveys. The protocol for these surveys can be found . :. Ben Hall. Lancaster University. Acknowledgements. Cockcroft. Ben Hall. Chris Lingwood. Daniel Doherty. Philippe Goudket. Clive Hill. CERN. Rama . Calaga. Erk. Jensen. Olivier . Brunning. Sergio . Fred lifts a brick.. The crab slips . and flops.. Fred spills his lunch.. He picks up . his trash and sets it in the trash can.. Fred helps.. Fred is a strong crab.. The end.. panel collapsible crab trapWire mesh crab trapCotton mesh crab trapHow a circular/ring crab net works Trap being pulled up Ring that gathers the 4 linesSides snap up to form a pyramid Line tied to eac