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The Collapsing Aquatic Ecosystem

Randall Hicks

Created on March 17, 2026

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The Collapsing Aquatic Ecosystem

Dive into this adventure

Start

Introduction

The aquatic classification system has failed.Chordates are being misidentified. Fish groups are collapsing. You must restore the system before total failure. You will complete 5 challenges. Each challenge gives part of the override code. Record ALL answers—you will need them at the end. ⚠️ Incorrect answers may delay your progress.

LEVEL 1: Chordate Crossing

Chordate Crossing

Answer the questions correctly to advance and avoid crashing into the rocks.

00:30

LEVEL 2: Dark Abyss

Dark Abyss

You have entered the deepest darkness at the bottom of the ocean. Drag the spotlight to find the correct answer and avoid the Eel King’s henchmen!

00:30

Find the correct answerWhich group is the most primitive vertebrate fish?

Osteichthyes

Crustacean

Amphibia

Agnathans

Drag the focus!

Chondrichthyes

00:30

Find the correct answerWhat is the main difference between Chondrichthyes and Osteichthyes?

Location of Habitat

Bones vs Cartillage

Type of Feeding

Number of Fins

Type of Reproduction

00:30

Find the correct answerWhich class includes animals with jaws and paired fins?

Chondrichthyes

Agnathans

Echinoderms

This Class Doesnt Exist

Crustaceans

00:30

Find the correct answerLampreys belong to which group?

Echinoderms

Bony Fish

Osteichthyes

Chondrichthyes

Agnathans

LEVEL 3: Multi-path Cave

Multi-path Cave

You have reached a cave where you will need to choose the right path. Follow your instinct and be careful not to get lost!

00:30

Observe the images and answerIdentify the Chondrichthyes.

00:30

Observe the images and answerWhich of these organisms has a structure to maintain buoyancy?

00:30

Observe the images and respondWhich organism is jawless?

LEVEL 4: Marine Opera

Marine Opera

You hear a melody in the distance... It's the opera from the depths of the sea that has decided to organize a concert! Identify Which term corresponds the the appropriate definition or image to continue.

Drag the words to their corresponding fin location

Anal Fin

1st Dorsal Fin

Pectoral Fin

Continue

Drag the words to their corresponding Fin Location

Pelvic Fin

2nd Dorsal Fin

Caudal Fin

Continue

Drag the words to their corresponding sound

Dorsal Hollow Nerve Cord

Notochord

Pharyngeal Pouches

Continue

????

VS

Let's go!

01:30

You have defeated the Anguilla King! Come on, use the key!

Choose your treasure chest

Congratulations!

You have found a chest full of relics worth a fortune. The heavy metals must have been causing the fish groups to collapse, removing these will surely resotre order!

Start Over

Wow!

Who would have thought that inside the treasure is hidden... a map to another adventure in saving classification? It seems that the adventures of this submarine doesn't end here!

Start Over

What a surprise!

It seems that the henchmen of King Anguila have chosen you as the new sovereign. Will you choose the path of good and guide them in appropriate classification or prefer to maintain the legacy of evil collapsing all of classification as we know it?

Start Over