Sharks 12

ZOOLOGY SHARKS / ELASMOBRANCHS

Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Female Reproductive Organs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Cloacal opening shown on a female shark

Reproductive Organs of a Female Porbeagle Shark

Male Reproductive Organs ,[object Object],[object Object],[object Object],[object Object],[object Object],Claspers of a mature Male shark

Reproductive Organs of a Male Porbeagle Shark

Maturity ,[object Object],[object Object],[object Object],[object Object],[object Object]

Courtship and Mating ,[object Object],[object Object],[object Object],[object Object],Courtship and Mating circle of the Basking Shark

Mating Mating wounds– bite marks on pectoral fin of female Porbeagle Mating

Mysterious Shark Birth ,[object Object],[object Object],[object Object],Bonnethead Shark, Sphyrna tiburo

Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Oviparous ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Oviparous Development 1—Shark egg case after it is laid 2—The egg develops in the shell . 3—The young is fed by the yolk sack 4—The developed young breaks away from the shell.

Examples of Egg Cases Egg case of a oviparous shark Egg case of a Port Jackson Shark

Development of a Swell Shark Swell shark develops within a tough, leathery egg case. ,[object Object]

Ovoviviparous ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ovoviviparity Portuguese shark with developing eggs in ovaries

Oophagy and Embryophagy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],35cm Porbeagle Shark distended stomach of this specimen is full of egg yolk from ingested eggs 50cm Shortfin Mako Shark embryo distended stomach, full of egg yolk

Viviparous ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Examples of viviparous development ,[object Object],[object Object]

Parturition ,[object Object],[object Object],[object Object],[object Object],Birth of a baby shark

Great White Shark ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],

Bull Sharks ,[object Object],[object Object],[object Object],[object Object],[object Object]

Goblin Shark ,[object Object],[object Object],[object Object]

Whale Shark ,[object Object],[object Object],[object Object],[object Object]

Sand Tiger Shark ,[object Object],[object Object],[object Object],[object Object]

Silky Shark ,[object Object],[object Object],[object Object],[object Object],[object Object]

Port Jackson Shark ,[object Object],[object Object],[object Object],[object Object]

Southern Lantern Shark ,[object Object],[object Object],[object Object],[object Object],[object Object]

Great Hammerhead Shark ,[object Object],[object Object],[object Object],[object Object],[object Object]

Shortfin Mako ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Angel Shark ,[object Object],[object Object],[object Object],[object Object]

Bonnethead Shark ,[object Object],[object Object],[object Object],[object Object]

Spiny Dogfish ,[object Object],[object Object],[object Object]

Basking Shark ,[object Object],[object Object],[object Object],[object Object]

Human Impact ,[object Object],[object Object],[object Object],[object Object],Shark fins on sale in Hong Kong market

Sharks 12

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Sharks 12