CHAPTER 7: FIsh and Shellfish

finfish

vertebrates are those with fins, backbones, and gills

shellfish

invertebrates are those with shells of one form or another

brackish water fish

originates from areas in which freshwater meets salt water

flatfish

which swims horizontally along the bottom of the sea, are usually like an oval platter, and both eyes may be on the side of the body facing upward

roundfish

have a rounder body such as cod, salmon, trout

crustaceans

are group of invertebrates having jointed limbs and a segmented body with exoskeleton made of chitin; crabs, shrimp, prawn, lobsters

mollusk

either bivalves; oysters, clams, mussels, and scallop, or univalves; suso, abalone, and conch

oysters

are recognizable by their rough irregular shells, which tend to have dissimilar top and bottom shell, the upper is flattened, while the lower concave

clams

burrows in sand and mud, which is why it is necessary to depurate defore cooking, so some mud and sand can be expelled

scallop

are flattish fan-shaped shells that swim by expelling water from shells by a series of snapping motion

mussles

can be found in fresh as well as in marine water, and they attach themselves to the rocks

cephalopods

includes squid, cuttlefish, and octopus, those with tentacles

myotomes

tail and trunk muscle of finfishes consist of wave looking muscle block called

uric acid

responsible for the characteristic of fishy odor

gaping

is the condition results when the myotomes of the fish muscles separate due to microtubules breaking as rigor comes quickly

patis

is the clear amber-colored liquid extract derived when the fish is fermented with salt

bagoong

traditional fermented fish product comes in many variants

surimi

making used of lower-priced, less utilized fishes, the proteins are washed and restructured into a new product with addition of spices and coloring

fish roe

usually preserved in brine to extend its usable time which imparts salty taste

depuration

technical term for purging that is also called pinaglalaways in filipino

phycotoxin

toxic components reduced by unicellular microalgae

paralytic, diarrheic, amnesic or neurotoxic effect

paralytic shellfish poison

due to the saxitoxins, red tide

amnesic shellfish poisons

due to the toxin domoic acid