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What is Viviparous?

October 10, 2017

What is Viviparous? Viviparous – Reproduction by live birth, such as with humans and dogs. The only sharks able to give birth this way are members of the Galae shark family, the most evolutionarily developed […]

What is Trophic Cascade?

October 10, 2017

What is Trophic Cascade? Trophic cascade – An ecological condition that happens when a top predator is removed from an environment, causing a disruption in the traditional food chain. With the traditional food chain out […]

What is Tonic Immobility?

October 10, 2017

What is Tonic Immobility? Tonic Immobility:  A momentary state of paralysis that can be induced by turning a shark on his back or in a vertical pose. ###

What is Teleost?

October 10, 2017

What is Teleost? Teleost is the largest group of bony fish that have fins and swim bladders. ###

What is Supernormal Stimuli?

October 10, 2017

What is Supernormal Stimuli? Supernormal stimuli – An unusually excessive stimulation that activates primitive senses and creates an exaggerated response. Feeding frenzies are caused by this when sharks experience an extraordinary amount of blood and […]

What is Sympatric?

October 10, 2017

What is sympatric? Sympatric is when two species that live in the same environment and overlap in population distribution. ###

What is a Spiracle?

October 10, 2017

What is a Spiracle? Spiracle is a respiratory opening that allows water to flow over flow over the gills without using the mouth or needing to swim to force water over the gills. In sharks, skates, […]

What is a Rostrum?

October 10, 2017

What is a Rostrum? Rostrum is the most forward tip of the head or “nose” of the shark. ###

What is Ram Ventilation?

October 10, 2017

What is Ram Ventilation? Ram Ventilation is the respiration method used by sharks and fish that swim forward to keep water flowing over the gills. ###

What is Ram Filtration?

October 10, 2017

What is Ram Filtration? Ram Filtration is the respiration method used by filter-feeding sharks that swim forward with their mouth wide open to force water into and over the gills. ###

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