Tony Wu / Whitespotted bamboo shark (Chiloscyllium plagiosum) male biting the pectoral fin of a female shark during courtship, Kannoura, Shikoku, Kochi-ken, Japan

Juergen Freund / Raja Ampat epaulette shark (Hemiscyllium sp.) North Raja Ampat, West Papua, Indonesia.

Michele Westmorland / Rare Epaulette shark (Hemiscyllium sp.) in the Galapagos Islands.

Michele Westmorland / Epaulette shark (Hemiscyllium sp.) in the Galapagos Islands.

Alex Mustard / Indonesian speckled carpetshark (Hemiscyllium freycineti) walks across the seabed under the cover of darkness. Rather than swim, this species of epaulette shark walks on its pectoral and pelvic fins....

Franco Banfi / Papuan epaulette shark (Hemiscyllium hallstromi) Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Papuan epaulette shark (Hemiscyllium hallstromi) Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Alex Mustard / Brownbanded bambooshark (Chiloscyllium punctatum) on the seabed at night. Lembeh Strait, Sulawesi, Indonesia.

Georgette Douwma / Brownbanded bamboo shark (Chiloscyllium punctatum), juvenile with egg sac still attached. Komodo National Park, Indonesia.

Georgette Douwma / Brownbanded bamboo shark (Chiloscyllium punctatum), juvenile resting on coral reef, Komodo National Park, Indonesia.

Doug Perrine / Brownbanded bamboo shark {Chiloscyllium punctatum} juvenile, Malapascua Island, Philippines

Doug Perrine / Brownbanded bamboo shark {Chiloscyllium punctatum} juvenile (bands starting to fade) Malapascua Island, Philippines