Explore the marine invertebrates or animals without backbones, the most diverse animals in the world! Marine invertebrates such as crustaceans, sea spiders, starfish, and sand dollars, all play a vital roll in the sea's ecosystem. This course takes a deep dive into the lives of marine or saltwater fish. There are approximately 15,000 species of marine fish worldwide. The largest fish are sharks and can grow as big as a bus. The smallest fish in the world are as big as your fingernail.

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  • Pre-lesson Activity - Introduction to the Crustaceans

  • Main Crustaceans Lesson with NatureGlo - Part I (DOWNLOADS HERE)

  • Main Crustaceans Lesson with NatureGlo - Part II

  • Going Beyond: Crustaceans Virtual Library Page - Projects, Activities & Videos

  • Pre-lesson Activity - All Things Sea Spider Gallery Interactive

  • Main Sea Spider Lesson with NatureGlo (DOWNLOAD FILES HERE)

  • Conor's Project Share - Dumbo Octopus

  • Pre-lesson Activity - Echinoderm Interactive

  • Main Lesson with NatureGlo Part I: Intro to Echinoderms (DOWNLOADS HERE)

  • Main Lesson with NatureGlo Part II: Echinoderm Anatomy

  • Going Beyond - Echinoderms Virtual Library: Projects, Activities & Videos

  • Pre-lesson Activity – The Sharks, Rays, Skates & Friends Interactive

  • BONUS DOWNLOAD! Marine Fish Activity Guide & Video Tutorial

  • Main Lesson Video with NatureGlo Part I - Jawless Fish

  • Main Lesson Videos with NatureGlo Part II - Cartilaginous Fish

  • Main Lesson Video with NatureGlo Part III - Bony Fish Characteristics & Anatomy

  • Going Beyond - Marine Fish of the World Virtual Library - Resources, Activities & Videos

  • BONUS DOWNLOAD: Coral Reef Activity Guide

  • Pre-lesson Activity - Coral Reef Fish Interactive

  • Main Lesson with NatureGlo Part I - Intro to Coral Reef Fish (with BONUS ACTIVITY GUIDE DOWNLOAD)

  • Main Lesson with NatureGlo Part II - Coral Reef Fish Characteristics

  • Coral Reef Fish Interactive Game

  • Going Beyond - Marine Fish of the World Virtual LIbrary

  • BONUS: Coral Reef Fish Species Activity Guide

  • What's Your Favorite Marine Fish?

  • Main Lesson Video with NatureGlo Part I - Coral Reef Species (DOWNLOADS HERE)

  • Main Lesson Video with NatureGlo Part II - Coral Reef Fish: Puffers, Anthias, Groupers, & Sharks

  • Main Lesson Video with NatureGlo Part III - Coral Reef Fish: Triggerfish & Marine Conservation