Fish Names
We are seeing double with the Latin name for this fish in the Gadidae family.
What is Burbot - Lota lota
This type of tail is identified by uneven lobes of the caudal fin
What is heterocercal?
This type of trait, used in fish ID, is defined as: countable, fixed, constant (dorsal spines, pectoral rays, submandibular pores)
Meristic traits
This term refers to the part of a stream characterized by cold water, few tributaries, steep channels, and high levels of dissolved O2
What are headwaters
This method of active sampling uses electrical currents to stun fish
What is electrofishing
This elongated fish is parasitic and feeds on the bodily fluids of other fish.
What is Sea lamprey - Petromyzon marinus petromyzontidae
This type of mouth opens upwards, and the lower jaw extends beyond the upper jaw
What is a superior mouth?
This family of fish is scaleless and has four pairs of chin barbels
What is ictaluridae
This part of the stream is characterized by low gradients, and wider and deeper channels
What are the lower reaches
Name one way to batch mark fish
We are looking for the Latin name and family for Brook Silverside
What is labidesthes siccalus?
This type of pelvic fin is located in front of the pectoral fin, near to opperculum
What is jugular
This family of fish, with one member in Vermont, has two dorsal fins, a pair of chin barbells, a jugular pelvic fin, and a rounded tail.
What is gadidae
Name three families of fish found in coldwater streams?
What are Salmonids, cottids, cyprinids
Electricty moves from the ____ to the _____via ions in the water to create an electrical field
What are anode and cathode
White Crappie
What is Pomoxis annularis
This fish in the Esocidae family has 100% scale coverage on the cheek and 50% scale coverage on the operculum
What is Esox lucius or northern pike
These four families of fish have an adipose fin; name them all
Salmonidae, percopsidae, osmeridae, ictaluridae
This concept refers to the idea that physical characteristics and biotic communities change in a gradient, increasing in size, complexity, and productivity downstream?
What is the River continuum concept
Name two assumptions of CPUE
What are: the number of fish caught is proportional to the amount of effort, and equal capture probability
Name this species of fish in the Umbridae family
Central mudminnow - umbra limi
What are cycloid scales
This family of fish, with 28 spp in Vermont, is characterized by a lack of teeth
What is cyprinidae
This passive sampling technique would be well-suited for sampling in shallow water streams, with low selectivity and low lethality
What are trammel nets
This type of tag is silicon-based and is injected into fish tissue
What is VIE - Visible implant elastomer tags