Emerald Crab

Name: Top Shelf Aquatics Emerald Crab - Emerald Crab
Brand: Top Shelf Aquatics
SKU: 49117815177514
Price: 7.99 USD
Availability: InStock
Rating: 4.6154 (3 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$7.99

Purchase at Top Shelf Aquatics

Color

Black

Quantity

Controls bubble algae and detritus for a cleaner aquarium environment
Nocturnal and diurnal activity for efficient day and night cleaning
Omnivorous diet thrives on algae, detritus, and leftover food
Peaceful temperament compatible with most fish and invertebrates
Adaptable to various tank setups with ample rockwork

Summarized by Shop

4.6

13 ratings

Entertaining to watch.

Gabe · November 27, 2025

Everything showed alive and good to go as expected

Ty · June 3, 2025

Came in healthy but was very small

Tony · November 17, 2024

Visit Top Shelf Aquatics for full shipping details

Shipping calculated at checkout

Returns accepted within 45 days

Exclusions may apply. See full policy

Exclusive offer available

Top Shelf Aquatics

4.8 (3.9K)

Product description loading

This is the product description text that will appear here.

Top Shelf Aquatics

Astrea Snail

(14)

$2.49

Green Seaweed - Premium Nori - Reef Genetics

Exclusive offer available

Top Shelf Aquatics

Green Seaweed - Premium Nori - Reef Genetics

(16)

$8.99

Corals Anonymous

4.6

(898)

Exclusive offer available

Top Shelf Aquatics

ReefMat 500 Replacement Roll - Red Sea

(5)

$20.00

Seaweed Selects - Green Marine Algae with Natural Garlic Extract - Ocean Nutrition

Exclusive offer available

Top Shelf Aquatics

Seaweed Selects - Green Marine Algae with Natural Garlic Extract - Ocean Nutrition

$9.99

Exclusive offer available

Top Shelf Aquatics

Liquid Coral Food Blend - Reef Genetics

$19.99$24.99

Dinkins Aquatic Gardens

4.9

(261)

Clean Chaeto Infused with Reef Snacklebox - Dinkins Aquatic Gardens

World Wide Corals

Vitalis Nutrition Marine Soft Pellets 4.94oz - 1mm

$20.49

Exclusive offer available

Top Shelf Aquatics

Reef Saver Rock - Per Pound - MarcoRocks

$3.99

Top Shelf Aquatics

Arrow Crab

(1)

$22.49

Printed Reef

4.7

(1.3K)

Magnetic acrylic anemone acclimation box in black - closed view showing sleek design

Exclusive offer available

Top Shelf Aquatics

DI Resin - AquaFX

(1)

$19.99

Top Shelf Aquatics

Halloween Urchin

(2)

$59.99

Exclusive offer available

Top Shelf Aquatics

Sediment Filter - AquaFX

$5.99

Reef Beauties

4.9

(284)

The Coral Shop

Giant Pacific Octo Grip Coral Glue 20g & 50g

A$29.95

Exclusive offer available

Top Shelf Aquatics

7" Felt Aquarium Filter Sock

(1)

$9.99

inD aquatics

4.8

(123)

World Wide Corals

4.6

(7.2K)

Exclusive offer available

Top Shelf Aquatics

Carbon - Reef Genetics

(3)

$8.99

Top Shelf Aquatics

Lettuce Nudibranch

(1)

$22.99

Top Shelf Aquatics

Pink Pin Cushion Urchin

(3)

$19.99

The Biota Group

4.8

(447)

Exclusive offer available

Top Shelf Aquatics

Arag-Alive Reef-Grade Sand - CaribSea

(3)

$16.99$19.99

Aquacadabra

Reef Zlements Coral Frag Gel Glue 20g

£9.99

World Wide Corals

New Life Spectrum Marine Regular Pellets 150g.

(1)

$9.99

Exclusive offer available

Top Shelf Aquatics

Media Bags - Reef Genetics

(6)

$2.99

Exclusive offer available

Top Shelf Aquatics

BeneReef Reef Food - BenePets

(2)

$34.95

TDO-C2 Chroma BOOST Fish Food - Reef Nutrition Small

Exclusive offer available

Top Shelf Aquatics

TDO-C2 Chroma BOOST Fish Food - Reef Nutrition

(2)

$14.99

Exclusive offer available

Top Shelf Aquatics

Reef-Roids Coral Food - PolypLab

(10)

$15.99

Salinity Calibration Sachet - 35 PPT - Hanna Instruments

Exclusive offer available

Top Shelf Aquatics

Salinity Calibration Sachet - 35 PPT - Hanna Instruments

(1)

$1.99

Formula One Marine Pellets - Ocean Nutrition

Exclusive offer available

Top Shelf Aquatics

Formula One Marine Pellets - Ocean Nutrition

$9.99

Exclusive offer available

Top Shelf Aquatics

ReefMat 1200 Replacement Roll - Red Sea

(8)

$32.00

NO3:PO4-X (Nitrate & Phosphate Reducer) - Red Sea

Exclusive offer available

Top Shelf Aquatics

NO3:PO4-X (Nitrate & Phosphate Reducer) - Red Sea

(2)

$24.99

Cat enrichment essentials

Valerian toys, lickables, and puzzle feeders.

AquaStik Epoxy Putty - 4oz - Coralline Red - Two Little Fishies

Exclusive offer available

Top Shelf Aquatics

AquaStik Epoxy Putty - 4oz - Coralline Red - Two Little Fishies

(3)

$14.99

Rainy day gear

Mats, towel hooks, and odor control.

Top Shelf Aquatics

Pom Pom Gracilaria Macroalgae - Reef Genetics

(9)

$19.99

Reef Moonshiner's

(154)

World Wide Corals

Benepets Benereef Reef Food 1.4oz (40g)

$19.99

Avast Marine Works

4.9

(463)

Top Shelf Aquatics

Ninja Star Snails

(4)

$6.99

Exclusive offer available

Top Shelf Aquatics

Reef Glue - Reef Genetics

(11)

$2.99

Aqua Gadget NUVO Aquarium 200 Micron Filter Sock w/ Holder - Innovative Marine

Exclusive offer available

Top Shelf Aquatics

Aqua Gadget NUVO Aquarium 200 Micron Filter Sock w/ Holder - Innovative Marine

(1)

$9.99

Reef Energy Plus (AB+) All-In-One Coral Superfood - Red Sea

Exclusive offer available

Top Shelf Aquatics

Reef Energy Plus AB+- Red Sea

(12)

$21.99

Comforting picks for pups

Crate covers, lick mats, and calming aids.

Premium Fish Food - Pellets - Reef Genetics

Exclusive offer available

Top Shelf Aquatics

Premium Fish Food - Pellets - Reef Genetics

(2)

$19.99

Finest Aquatics

Reef Zlements Gel Frag Glue 20g (Single Tube)

£7.99

A3 Apex Pro Controller System - Neptune Systems

Exclusive offer available

Top Shelf Aquatics

A3 Apex Pro Controller System - Neptune Systems

(4)

$974.99

Coral's Coral

4.7

(98)

Emerald Crab

Highlights

Description

Specifications

Reviews4.6(13)

Delivery & Returns

Top Shelf Aquatics

You might also like

Astrea Snail

Green Seaweed - Premium Nori - Reef Genetics

Corals Anonymous

ReefMat 500 Replacement Roll - Red Sea

Seaweed Selects - Green Marine Algae with Natural Garlic Extract - Ocean Nutrition

Liquid Coral Food Blend - Reef Genetics

Dinkins Aquatic Gardens

Vitalis Nutrition Marine Soft Pellets 4.94oz - 1mm

Reef Saver Rock - Per Pound - MarcoRocks

Arrow Crab

Printed Reef

DI Resin - AquaFX

Halloween Urchin

Sediment Filter - AquaFX

Reef Beauties

Giant Pacific Octo Grip Coral Glue 20g & 50g

7" Felt Aquarium Filter Sock

inD aquatics

World Wide Corals

Carbon - Reef Genetics

Lettuce Nudibranch

Pink Pin Cushion Urchin

The Biota Group

Arag-Alive Reef-Grade Sand - CaribSea

Reef Zlements Coral Frag Gel Glue 20g

New Life Spectrum Marine Regular Pellets 150g.

Media Bags - Reef Genetics

BeneReef Reef Food - BenePets

TDO-C2 Chroma BOOST Fish Food - Reef Nutrition

Reef-Roids Coral Food - PolypLab

Salinity Calibration Sachet - 35 PPT - Hanna Instruments

Formula One Marine Pellets - Ocean Nutrition

ReefMat 1200 Replacement Roll - Red Sea

NO3:PO4-X (Nitrate & Phosphate Reducer) - Red Sea

AquaStik Epoxy Putty - 4oz - Coralline Red - Two Little Fishies

Pom Pom Gracilaria Macroalgae - Reef Genetics

Reef Moonshiner's

Benepets Benereef Reef Food 1.4oz (40g)

Avast Marine Works

Ninja Star Snails

Reef Glue - Reef Genetics

Aqua Gadget NUVO Aquarium 200 Micron Filter Sock w/ Holder - Innovative Marine

Reef Energy Plus AB+- Red Sea

Premium Fish Food - Pellets - Reef Genetics

Reef Zlements Gel Frag Glue 20g (Single Tube)

A3 Apex Pro Controller System - Neptune Systems

Coral's Coral

You might also like

Astrea Snail

Green Seaweed - Premium Nori - Reef Genetics

Corals Anonymous

ReefMat 500 Replacement Roll - Red Sea

Seaweed Selects - Green Marine Algae with Natural Garlic Extract - Ocean Nutrition

Liquid Coral Food Blend - Reef Genetics

Dinkins Aquatic Gardens

Vitalis Nutrition Marine Soft Pellets 4.94oz - 1mm

Reef Saver Rock - Per Pound - MarcoRocks

Arrow Crab

Printed Reef

DI Resin - AquaFX

Halloween Urchin

Sediment Filter - AquaFX

Reef Beauties

Giant Pacific Octo Grip Coral Glue 20g & 50g

7" Felt Aquarium Filter Sock

inD aquatics

World Wide Corals

Carbon - Reef Genetics

Lettuce Nudibranch

Pink Pin Cushion Urchin

The Biota Group

Arag-Alive Reef-Grade Sand - CaribSea