RNR 1010 Fish Quiz 2
8 flashcards · Other · by Mia Mcgrath
American Eel
F: Anguillidae G: Anguilla s: rostrata
American Eel
-migrate from freshwater to seawater to spawn (catadromous) -huge olfactory rosette -planktivore --> invertivore --> carnivore -sexual maturity at silver stage, eyes get bigger, fins get larger, digestive tract degenerates, retinal pigments and osmoregulation change to be better for saltwater -migration to Sargasso Sea -Dams are problematic to down running adults
Common Carp
F: Cyprinidae G: Cyprinus s: carpio
Common Carp
The large invasive minnow, with 2 barbels and a bronze subterminal suctorial mouth, is an environmentally tolerant species that increases turbidity (re-suspends nutrients (algal blooms) and impacts lentic systems. It is a scavenger and a tolerant species, consuming mud and nutrients, and can be controlled through netting and poisoning with rotenone for lake restoration.
Channel Catfish
F: Ictaluridae G: Ictalurus s: punctatus
Channel Catfish
-large forked tail, large barbels, scaleless, strong dorsal and pectoral spines, adipose fin, curved anal differentiates from Blue Catfish -lentic/lotic habitats. more common in lentic systems --> likes standing water better than flowing water -gustation of paramount importance --> smells amino acids -cavity spawner; males guard eggs until hatching -widely adapted to aquaculture, readily accept artificial food, tolerant of high densities, although diseases, off flavor, and dissolved oxygen prob…
Striped Bass
F: Moronidae G: Morone s: saxatilis
Striped Bass
The Anadromous temperate bass, also known as piscivore (FW) or piscivore/invertivore (SW), is a large crustacean important marine prey. It can grow up to 1.8 meters and weigh 120 kg. It is environmentally intolerant and has a low survival rate due to factors like pH, T^0, pollution, and dams. It is one of the most popular sportfishes in the U.S., with hybrids used for harvest and biological control of Gizzard Shad populations. However, reproduction in the FW is not possible, and T^o and hypolim…