Male reproductive organs of a shark: A. testes, B. epididymis, C. seminal vesicle | © Florida Museum
disection_male-shark-repro1 Discover Fishes Fish
Round Stingray Urobatis halleri These smaller stingrays have an almost circular pectoral disc, with a slightly rounded point at the snout, and a short tail that lacks dorsal fins but does have a small caudal (tail) fin, which is unusual for rays. It also has a venomous spine halfway down its
Fishes Urobatis halleri Discover Fishes Fish
Port Jackson Shark Heterodontus portusjacksoni This medium size Australian shark has a blunt head with a small mouth and prominent crests above its eyes. It is usually a light gray brown, with black bands over its eyes and across its back in a harness shape. Unlike most sharks, the Port Jack
Heterodontus portusjacksoni Discover Fishes Fish
Gray Snapper Lutjanus griseus This is one the smaller and slimmer of the snapper family, rarely growing larger than 18 inches long and 10 pounds. They are generally gray with darker dorsal and caudal (tail) fins, but can display wide variations of small spots, pale bars, or fin tip coloring
Fishes Lutjanus griseus Discover Fishes Fish
Ghost Shark Callorhinchus milii This unusual family of ‚chimaera‘ branched off from sharks almost 400 million years ago. The ghost shark is easily identified because of their very large, high-set eyes, and the club-like structure at the end of their snouts. Their protruding snout is made to
Fishes Callorhinchus milii Discover Fishes Fish
Close up: ovary.
Fishes in the Fresh Waters of Florida Gallery Fish
Tawny Nurse Shark Nebrius ferrugineus This large (up to 10 feet long) and bulky carpet shark tends to be gray-brown but can modify its color based on background. It sleeps in a favorite crevice or cave during the day, often piled up with other sharks, and hunts the sea floor during the night
Fishes Nebrius ferrugineus Discover Fishes Fish
Silvertip Shark Carcharhinus albimarginatus This streamline requiem shark tends to appear blue-gray from above, with a bronze sheen, paling to white below. The silvertip name comes from the white tips and borders on all of its fins. It averages between 6 and 8 feet long but can get to be alm
Carcharhinus albimarginatus Discover Fishes Fish
Roughtail Stingray Dasyatis centroura This is the largest of the whip-tail stingrays, growing over 7 feet wide and more than 660 pounds. Its diamond-shaped disc is dark brown or olive above and almost white below. The tail is black, and can be two and a half times the length of its body. Cau
Fishes Dasyatis centroura Discover Fishes Fish
Background: This is a fun classroom activity based on the basic biology of sharks. This goes well with the Project Shark Awareness PowerPoint and should be used in conjunction with the presentation. Materials: Activity sheet Teacher’s activity guide Teacher’s answer key Classroom Act
Fishes in the Fresh Waters of Florida Gallery Fish
