{"id":21792,"date":"2018-04-23T12:17:26","date_gmt":"2018-04-23T16:17:26","guid":{"rendered":"https:\/\/blogarchive.utc.edu\/news\/?p=21792"},"modified":"2018-06-07T10:36:50","modified_gmt":"2018-06-07T14:36:50","slug":"no-more-ick-students-learn-the-ways-of-the-fish-in-ichthyology-class","status":"publish","type":"post","link":"https:\/\/blogarchive.utc.edu\/news\/2018\/04\/no-more-ick-students-learn-the-ways-of-the-fish-in-ichthyology-class\/","title":{"rendered":"No more ick: Students learn the ways of the fish in ichthyology class"},"content":{"rendered":"

\"\"<\/p>\n

Students get up close and personal with fish in the Tennessee River during Dr. Mark Schorr’s Ichthyology class.<\/p>\n

 <\/p>\n

\n

Water: Fall and Spring<\/h3>\n

Each spring, Dr. Schorr teaches the ichthyology class, while every fall he has a class in limnology, the study of lakes, rivers, streams and other inland waterways, examining their biological, chemical and physical characteristics. Both have two outdoor visits to the Tennessee River.<\/p>\n<\/div>\n

Fire-engine red life vests around their chests, three UTC students stand in a boat on the Tennessee River. On opposite sides of the boat, two of them hoist long, orange-plastic poles with a bare-metal pole connecting them at front end. The other holds a fishing net, also on a long pole.<\/p>\n

Every of couple of minutes, the metal pole is dipped into the water at the front of the boat, then pilot Rob Mottice flips a switch on a rectangular box\u2014he calls it the \u201cmagic box\u201d\u2014whose face is covered with switches, knobs and lights. The sound of a small generator kicks in and, a few seconds later, fish float to the top of the river, stunned by a zap! of electricity. The students scoop them up in nets and put them in a 3\u00bd-foot, water-filled cooler. Within a few seconds, the fish start to twitch and flutter, then swim again.<\/p>\n

After about 20 minutes on the river, the boat pulls into shore, where Dr. Mark Schorr, UTC professor in biology, geology and environmental science, and a group of other students\u2014\u2014each in chest-high waders\u2014squelch across a muddy \u201cbeach,\u201d into the water and out to the boat to examine the fish in the cooler.<\/p>\n

Blue herons, buzzards, ducks and osprey wheel through the sky as the students examine the various fish and Schorr throws questions at them. What kind of fish is that? What is its Latin name? What are the identifying features of this species?<\/p>\n

There are bluegill sunfish, smallmouth, spotted and rock bass, catfish and\u2014somewhat shocking and exciting to the students\u2014an eel-like chestnut lamprey. Once the question-and-answer is over and the fish have been ID\u2019d, measured and examined to see if they have any anomalies such as fin rot, spinal scoliosis or excessive parasites, they\u2019re released back into the river.<\/p>\n

Schorr teaches an ichthyology course each spring, combining classroom lectures with two visits to the Tennessee River so students can “dive” into what they’ve learned. When the course is finished for the semester, he hopes students leave with \u201can appreciation for science, to have a fundamental understanding of the biology, the anatomy, the physiology of fishes and know something about their evolutionary history and know how they are important in the fact that how they\u2019re related to other animals.<\/p>\n

\u201cWe talk about their evolution, but also how fishes have been important to our culture in terms of recreational and commercial subsistence.\u201d<\/p>\n

Students in his ichthyology class are \u201clearning techniques that biologists use in the field,\u201d Schorr explains a few days later in his Holt Hall office. \u201cI try to teach them in the most practical way I know that relates to what I was taught and what I do when I\u2019m collecting fishes for research.\u201d<\/p>\n

Crunching the numbers, Schorr says more than 90 percent of students who\u2019ve taken the course over the past four years are biology or environmental science majors, but there also have been students majoring in history and psychology.<\/p>\n

Jarid Prahl says the class fits in well with his goal of earning a master\u2019s in environmental science with a focus on wetland ecology and disease transmission.<\/p>\n

\u201cI decided to take the class in order to not only aid in my ability to identify fish species, but to better help me understand their impact on aquatic ecology,\u201d Prahl says. \u201cThis plays into my research interests, which focus on wetland and river ecology\u2014specifically, I am looking into fungal disease transmission between amphibians and other aquatic organisms such as crayfish and mosquitofishes.<\/p>\n

Schorr \u201chas given me a larger understanding of fish morphology, the ability to confidently identify many native species and how fishes factor into the ecosystem,\u201d he adds.<\/p>\n

As a senior majoring in environment science, taking the ichthyology class was a no-brainer for Taylor Mulliniks who says, \u201cI love fish.\u201d<\/p>\n

\u201cI have a pond in my backyard and five aquariums in my house. I also grew up with a dad whose favorite hobby was fishing and I spend almost all my free time around rivers.\u201d<\/p>\n

Schorr\u2019s \u201centhusiasm and passion for fishes are contagious and I have learned so much about fish evolution and ecology. Plus, the labs we have done in the field have provided me with incredibly unique experiences capturing and identifying fishes in local waterways. The electric fishing boat was my favorite lab that I have ever done at UTC. \u201c<\/p>\n

For more than 20 years, Schorr has partnered on the river lab and other research projects with Mottice, the senior aquarist at the Tennessee Aquarium.<\/p>\n

\u201cAny of these students could, one day, be one of next our state or federal fish biologists,\u201d Mottice says. \u201cSo it\u2019s good to give them as much instruction and training as possible. Not every university has this sort of program.\u201d<\/p>\n

If a fish is especially interesting or colorful, Mottice will take it back to the aquarium for its Native Fish collection.<\/p>\n

\u201cIt provides us with an opportunity to add more fish to our exhibits, especially our native fish exhibits,\u201d he says, \u201cand it allows the students to achieve their bragging rights that they\u2019ve provided fish to the Tennessee Aquarium.\u201d<\/p>\n

\u201cI\u2019ve told Rob that he has the most popular part of the lab,\u201d Schorr says with a smile.<\/p>\n

\"Dr. <\/a>
Dr. Mark Schorr, center, holds a catfish pulled from the Tennessee River as students gather around. <\/div> <\/div> <\/div>
\"Students <\/a>
Students dip the long, orange-poled device at the front of the boat into the water and give a zap! of electricity to stun fish. <\/div> <\/div>
\"A <\/a>
A redbreast sunfish from the Tennessee River. <\/div> <\/div> <\/div> <\/div>
\"A <\/a>
A pan full of bluegill. <\/div> <\/div>
\"Dr. <\/a>
Dr. Mark Schorr examines a pan full of fish, helping students identify their species. <\/div> <\/div> <\/div>
\"Students <\/a>
Students in the ichthyology class were fascinated by the chestnut lamprey that came out of the Tennessee River. The species of lamprey is common in the river. <\/div> <\/div> <\/div> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"

Dr. Mark Schorr teaches an ichthyology course each spring, combining classroom lectures with two visits to the Tennessee River so students can “dive” into their studies.<\/p>\n

Continue Reading <\/a><\/span><\/p>\n","protected":false},"author":1105,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","_ef_editorial_meta_date_first-draft-date":"","_ef_editorial_meta_paragraph_assignment":"","_ef_editorial_meta_checkbox_needs-photo":"","_ef_editorial_meta_number_word-count":"","_ef_editorial_meta_checkbox_slider":"","_ef_editorial_meta_checkbox_featurette":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[123865,61,7712,64,661],"tags":[72936,72935],"class_list":{"0":"post-21792","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-biology-geology-and-environmental-science","7":"category-college-of-arts-sciences","8":"category-faculty-and-staff","9":"category-news","10":"category-students","11":"tag-ichtyology","12":"tag-mark-schorr","13":"entry","14":"has-post-thumbnail"},"yoast_head":"\nNo more ick: Students learn the ways of the fish in ichthyology class | UTC News Archive: Jul 2007 - 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