K-2

Spotted Seatrout

Implement this lesson:

Use this lesson when discussing animal ecosystems, habitats, or other environmental TEKs. This lesson can be used as part of a larger local theme i.e. Oceans Week. It can also be used for a fish themed day. The duration of this lesson can vary based on student and teacher needs.

Learning Objective:

The students will be able to identify what trout are, specifically spotted sea trout including physical characteristics, lifecycle, life span, location, moves, and eat.

Texas Essential Knowledge and Skills (TEKS)

Science TEKS

K.10(B) identify basic parts of plants and animals

K.10(A) sort plants and animals into groups based on physical characteristics such as color, size, body covering, or leaf shape

1.9(B) analyze and record examples of interdependence found in various situations such as terrariums and aquariums or pet and caregiver

1.10(A) investigate how the external characteristics of an animal are related to where it lives, how it moves, and what it eats

2.10(A) observe, record, and compare how the physical characteristics and behaviors of animals help them meet their basic needs

2.10(B) observe, record, and compare how the physical characteristics of plants help them meet their basic needs such as stems carry water throughout the plant

2.10(C) investigate and record some of the unique stages that insects such as grasshoppers and butterflies undergo during their life cycle

ELA TEKS

K.3(B) use illustrations and texts the student is able to read or hear to learn or clarify word meanings

K.5(B) generate questions about text before, during, and after reading to deepen understanding and gain information with adult assistance

K.5(E) make connections to personal experiences, ideas in other texts, and society with adult assistance

1.9(D) recognize characteristics and structures of informational text, including: (ii) features and simple graphics to locate or gain information

1.6(C) make and correct or confirm predictions using text features, characteristics of genre, and structures with adult assistance

2.6(B) generate questions about text before, during, and after reading to deepen understanding and gain information

2.6(I) monitor comprehension and make adjustments such as re‐reading, using background knowledge, checking for visual cues, and asking questions when understanding breaks down

Overview

Spotted Seatrout (Cynoscion nebulosus)

The Spotted Seatrout, also called Speckled Trout, is a saltwater fish commonly found in Texas bays and estuaries. It is not a true trout, but a member of the drum family, related to redfish and black drum. Spotted seatrout are important to both fishing communities and the coastal ecosystem.

Appearance and Behavior

Grows up to 25–30 inches long and can weigh over 10 pounds, though most are smaller
Body is silver with a bluish-green back and covered in black spots on the back, fins, and tail
Has two large canine teeth in the upper jaw
Swims in shallow, coastal waters, usually over grassy bottoms or muddy flats
Known for being fast and strong, making it a favorite for sport fishing

Diet and Feeding

A carnivore, eating mostly small fish, shrimp, and crabs
Hunts by ambushing prey in shallow water
Uses its sharp teeth and quick strike to catch food
Most active during early morning and evening

Life Cycle and Reproduction

Spawns during warm months, usually from spring through early fall
Males make a drumming sound to attract females, using muscles around their swim bladder
Females can lay millions of eggs each season
Eggs hatch into larvae that grow in protected estuaries
Young fish grow quickly and are ready to spawn in about one to two years

Habitat and Range

Found along the Gulf of Mexico and Atlantic coast, especially in Texas, Louisiana, and Florida
Prefers shallow bays, estuaries, seagrass beds, and marsh edges
Often moves to deeper waters in winter and returns to shallow areas in spring
Very sensitive to cold temperatures

Conservation Status

Not endangered, but populations are monitored due to heavy fishing pressure
Managed with size limits, bag limits, and seasonal closures
Populations can drop quickly due to:
- Overfishing
- Cold weather events
- Habitat loss
- Pollution and runoff

Interesting Facts

The Spotted Seatrout is the state saltwater fish of Texas
Also called “specks” by anglers
Males and females grow at different rates—females tend to get much larger
Makes a croaking or drumming noise when caught or spawning
Plays an important role in coastal food chains—both as a predator and as prey for larger fish and birds

Possible Books:

Spunky Spot by Suzanne Tate
Be careful finding books about our spotted seatrout. There are numerous books on rainbow trout and brown trout but almost none on spotted seatrout.

Procedure:

Teacher shows video of spotted seatrout: https://www.youtube.com/watch?v=H2XSS7vSVrY
Teacher directs students to make a KWL chart on spotted seatrout
Teacher direct teaches on sea trout using coloring page from art consultant with students labeling tail, lateral line, gils, eyes, and fins
Students with teacher assisting create a life cycle of a trout starting with eggs, fry, juvenile, and adult
Students paint picture of spotted seatrout possibly eating, swimming, in life cycle, etc
Teacher and students complete KWL chart together

Materials:

Smart TV with projector
White construction paper
Black markers
Blue paint
Frames
Other colored markers

Advanced Prep:

Trout directive drawing video on youtube: https://www.youtube.com/watch?v=Qq5kaoGOrE0

Questions to Ask:

What do you know about seatrout?
Have you ever seen a seatrout?
How do seatrout move?
Do we have seatrout live nearby?
Can seatrout harm us?
What ecosystem does a seatrout live in?
What is a seatrout habitat?
What does a seatrout need plants to survive in an ecosystem?
Is a seatrout living or non living?
What does a seatrout eat? What eats it?

K-2