PROJECT OF SCIENCEPROJECT OF SCIENCE-Members of the group: Emma, Marina.-Title: Fishes.-Year: 5.Els Pins 2012-2013
SOME SPECIESSOME SPECIESOFOF FISHESFISHES-Shark.-Swordfish.-Tiger fish.-Catfish.-Eel.
SHARK• Is the shark a vertebrate or a invertebrate?.A shark is a vertebrate.• What do sharks eat?.Not all sharks eat people. They eat other fishes.• Do they lay eggs?.Yes, sharks lay eggs.
• How long do they live ?.Some shark species live between 30 and 20 years.• How many species of sharks are there?.There are over 300 species.Let’s watch a video:http://www.youtube.com/watch?v=O2FInaOCqoo
SWORDFISH•Is it a invertebrate or a vertebrate?.A swordfish is a vertebrate.•What do they eat?.They eat plancton and algae.•Which ones are bigger, females or males?.The females are bigger than males.Let’s watch a video:http://www.youtube.com/watch?v=1pJA6vXkCvs
TIGER FISH• Is it a invertebrate or a vertebrate?A tiger fish is a vertebrate.• Are they poisonous ?Yes, their spikes are poisonous.• How many species are there in the world?There are about 8 different types.Click the link:http://animal.discovery.com/fish/fishing/goliath-tigerfish.htm
Catfish• Is the catfish a invertebrate or a vertebrate?A catfish is a vertebrate.• Have they got lungs ?No, they have gills.• Where do they live?They live in the Ocean.Let’s watch a video:http://www.youtube.com/watch?v=tnvbVIcZZHc
Eel• Is the eel an invertebrate or a vertebrate?.An eel is a vertebrate.• How long can it size?.It can size up to two meters.• Does it lives in fresh water or salt water?.They can live in both types of water.Let’s watch some videos:http://video.nationalgeographic.com/video/animals/fish-animals/other-fish/deadliest-electric-eel/http://newswatch.nationalgeographic.com/2012/08/03/american-eels-freshwater-species-of-the-week/