I found this article "fish stocking guide for a nano reef" on the nano-reef.com forum.
Think it might help some people here. Also if anyone disagrees with any here feel free to post, help us all learn more
Seahorses are listed by tank size with specific stocking suggestions in the Fish by Group section below.
2 L Pico (Includes Red Sea 0.5g Deco Art) (1 extra small fish)
-Blue Neon Goby
-Catalina Goby [cold water]
-Clown Gobies
-Eviota Gobies
-Panda (Clown) Goby
-Redhead Goby
-Trimma Goby
-Yellow Neon Goby
9.5 Pico (Includes 2.5g Minibow, Eclipse Explorer, JBJ 3g Pico) (1 fish)
All of the above plus:
-Citron Goby
-Green Banded Goby (added by c'est ma)
19L (1 fish)
All of the above plus:
-Green Chromis Damsel
-Yellowtail blue Damsel
(NOTE: This seems to be a socially accepted practice, although most if not all damsels will eventually out grow a 5g tank)
26L (Includes 7g Minibow, 6g Eclipse, 6g CPR, 6g Nano Cube, 8g Aquawave) (1-2 fish)
Keep in mind that the 6g CPR and 6g Nano Cube lose some swimming area to the built in filtration. I would not recommend the clowns in either of these tanks. One clown in a 7g minibow should be ok though.
All of the above plus:
-Ocellaris Clownfish (False Percula) (1, if you want a pair, move up to 10g+)
-Percula Clownfish (True Percula) (1, if you want a pair, move up to 10g+)
38L (Includes 12g Aquapod, 12g Nano Cube, 12g Eclipse, 11g Via Aqua, 12g Biocube) (2-3 fish)
Keep in mind that the 12g aquapod and 12g nano cube lose some area due to the internal filtration. In reality the tank swimming area before rock is really only like 8 gallons. With these two tanks I would suggest 1-2 fish and some of the fish listed below may not be suitable for these tanks, but should be ok in a true 10g+.
All of the above plus:
-Yellow Assessor
-Blue Assessor
-Chalk Bass
-Lantern Bass
-Bicolor Blenny
-Tailspot Blenny (added by Steelhealr)
-Yellowtail Fang Blenny (V)
-Threadfin Cardinalfish
-Three Spot Damsel
-Talbot’s Damsel
-Three Stripe Damsel
-Firefish Goby
-Helfrich’s Firefish [$$$$!]
-Purple Firefish Goby
-Bicolor Psuedochromis
-Diadem Pseudochromis
-Fridmani (Orchid) Pseudochromis
-Purple Pseudochromis
-Scooter Blenny [with caution, not for beginners]
-Red Scooter Blenny [with caution, not for beginners]
-Painted Frogfish
-Wartskin Frogfish
-Blackray Shrimp Goby
-Orange Stripe Goby
-Orangespotted Goby
-Randall’s Shrimp Goby
-Yasha Hasha Goby
-Wheeler’s Shrimp Goby
-Yellow Watchman Goby
-Rainfordi Goby
-Royal Gramma
-Falco Hawkfish
-Flame Hawkfish
-Pearly (Yellowhead) Jawfish
-Possum Wrasse
-Sixline Wrasse (note: some believe 20g+ may be more suitable, if you buy one for a 10g, get it small)
75L (Includes 24g Aquapod, 24g Nano Cube, 20g Finnex M Tank) (3-5 fish)
All of the above plus:
-Atlantic Pygmy/Cherub Angelfish
-Coral Beauty Angelfish
-Flame Angelfish
-Halfblack Angelfish
-Rusty Angelfish
-Convict Blenny (note: these guys do not stay 4 inches like book says. can get up to 12" easy.)
-Midas Blenny
-Redspotted Blenny
-Redlip Blenny
-Bangaii Cardinalfish
-Orangestriped Cardinalfish
-Flame Cardinalfish
-Pajama Cardinalfish
-Clarki Clownfish
-Maroon Clownfish
-Orange Skunk Clownfish
-Pink Skunk Clownfish
-Tomato Clownfish
-Dwarf Golden Moray Eel (added by lakshwadeep)
-Bar Goby
-Blue Gudgeon Goby
-Green Mandarin Goby [with caution, not for beginners]
-Yellow Target Mandarin [with caution, not for beginners]
-Blackcap Basslet
-Arc Eye Hawkfish
-Longnose Hawkfish
-Bluespot Jawfish (added by fish n' pets)
-Dusky Jawfish (added by fish n' pets)
-Fu Manchu Lionfish (V)
-Fuzzy Dwarf Lionfish (V)
-Dragon Pipefish [with caution, not for beginners]
-Banded Pipefish [with caution, not for beginners]
-Bluestripe Pipefish [with caution, not for beginners]
-Bennett’s Toby
-Valentini (Saddleback) Toby (placement in 20g min suggested by Bread)
-White Spot Toby
-Carpenter Flasher Wrasse
-Filamented Flasher Wrasse
-Fourline Wrasse (placement in 20g min suggested by Travis)
-Longfin Fairy Wrasse
-Redfin Fairy Wrasse
-Tricolor (Lubbock’s) Fairy Wrasse
-Twinspot Hogfish
115L (Includes 32g Finnex M Tank) (4-6 fish)
All of the above plus:
-Ebli’s Angelfish
-Lemonpeel Angelfish
-Potter’s Angelfish
-Dispar Anthias [with caution, not for beginners]
-Fathead (Sunburst) Anthias [not for beginners] (added by Pili)
-Longfin Anthias [w/ caution, not for beginners]
-Lawnmower Blenny [mega herbivore, keep in mind]
-Snowflake Eel
-Giant Frogfish
-Blue Spot Puffer
-Yellow Choris (Canary) Wrasse
Think it might help some people here. Also if anyone disagrees with any here feel free to post, help us all learn more
Seahorses are listed by tank size with specific stocking suggestions in the Fish by Group section below.
2 L Pico (Includes Red Sea 0.5g Deco Art) (1 extra small fish)
-Blue Neon Goby
-Catalina Goby [cold water]
-Clown Gobies
-Eviota Gobies
-Panda (Clown) Goby
-Redhead Goby
-Trimma Goby
-Yellow Neon Goby
9.5 Pico (Includes 2.5g Minibow, Eclipse Explorer, JBJ 3g Pico) (1 fish)
All of the above plus:
-Citron Goby
-Green Banded Goby (added by c'est ma)
19L (1 fish)
All of the above plus:
-Green Chromis Damsel
-Yellowtail blue Damsel
(NOTE: This seems to be a socially accepted practice, although most if not all damsels will eventually out grow a 5g tank)
26L (Includes 7g Minibow, 6g Eclipse, 6g CPR, 6g Nano Cube, 8g Aquawave) (1-2 fish)
Keep in mind that the 6g CPR and 6g Nano Cube lose some swimming area to the built in filtration. I would not recommend the clowns in either of these tanks. One clown in a 7g minibow should be ok though.
All of the above plus:
-Ocellaris Clownfish (False Percula) (1, if you want a pair, move up to 10g+)
-Percula Clownfish (True Percula) (1, if you want a pair, move up to 10g+)
38L (Includes 12g Aquapod, 12g Nano Cube, 12g Eclipse, 11g Via Aqua, 12g Biocube) (2-3 fish)
Keep in mind that the 12g aquapod and 12g nano cube lose some area due to the internal filtration. In reality the tank swimming area before rock is really only like 8 gallons. With these two tanks I would suggest 1-2 fish and some of the fish listed below may not be suitable for these tanks, but should be ok in a true 10g+.
All of the above plus:
-Yellow Assessor
-Blue Assessor
-Chalk Bass
-Lantern Bass
-Bicolor Blenny
-Tailspot Blenny (added by Steelhealr)
-Yellowtail Fang Blenny (V)
-Threadfin Cardinalfish
-Three Spot Damsel
-Talbot’s Damsel
-Three Stripe Damsel
-Firefish Goby
-Helfrich’s Firefish [$$$$!]
-Purple Firefish Goby
-Bicolor Psuedochromis
-Diadem Pseudochromis
-Fridmani (Orchid) Pseudochromis
-Purple Pseudochromis
-Scooter Blenny [with caution, not for beginners]
-Red Scooter Blenny [with caution, not for beginners]
-Painted Frogfish
-Wartskin Frogfish
-Blackray Shrimp Goby
-Orange Stripe Goby
-Orangespotted Goby
-Randall’s Shrimp Goby
-Yasha Hasha Goby
-Wheeler’s Shrimp Goby
-Yellow Watchman Goby
-Rainfordi Goby
-Royal Gramma
-Falco Hawkfish
-Flame Hawkfish
-Pearly (Yellowhead) Jawfish
-Possum Wrasse
-Sixline Wrasse (note: some believe 20g+ may be more suitable, if you buy one for a 10g, get it small)
75L (Includes 24g Aquapod, 24g Nano Cube, 20g Finnex M Tank) (3-5 fish)
All of the above plus:
-Atlantic Pygmy/Cherub Angelfish
-Coral Beauty Angelfish
-Flame Angelfish
-Halfblack Angelfish
-Rusty Angelfish
-Convict Blenny (note: these guys do not stay 4 inches like book says. can get up to 12" easy.)
-Midas Blenny
-Redspotted Blenny
-Redlip Blenny
-Bangaii Cardinalfish
-Orangestriped Cardinalfish
-Flame Cardinalfish
-Pajama Cardinalfish
-Clarki Clownfish
-Maroon Clownfish
-Orange Skunk Clownfish
-Pink Skunk Clownfish
-Tomato Clownfish
-Dwarf Golden Moray Eel (added by lakshwadeep)
-Bar Goby
-Blue Gudgeon Goby
-Green Mandarin Goby [with caution, not for beginners]
-Yellow Target Mandarin [with caution, not for beginners]
-Blackcap Basslet
-Arc Eye Hawkfish
-Longnose Hawkfish
-Bluespot Jawfish (added by fish n' pets)
-Dusky Jawfish (added by fish n' pets)
-Fu Manchu Lionfish (V)
-Fuzzy Dwarf Lionfish (V)
-Dragon Pipefish [with caution, not for beginners]
-Banded Pipefish [with caution, not for beginners]
-Bluestripe Pipefish [with caution, not for beginners]
-Bennett’s Toby
-Valentini (Saddleback) Toby (placement in 20g min suggested by Bread)
-White Spot Toby
-Carpenter Flasher Wrasse
-Filamented Flasher Wrasse
-Fourline Wrasse (placement in 20g min suggested by Travis)
-Longfin Fairy Wrasse
-Redfin Fairy Wrasse
-Tricolor (Lubbock’s) Fairy Wrasse
-Twinspot Hogfish
115L (Includes 32g Finnex M Tank) (4-6 fish)
All of the above plus:
-Ebli’s Angelfish
-Lemonpeel Angelfish
-Potter’s Angelfish
-Dispar Anthias [with caution, not for beginners]
-Fathead (Sunburst) Anthias [not for beginners] (added by Pili)
-Longfin Anthias [w/ caution, not for beginners]
-Lawnmower Blenny [mega herbivore, keep in mind]
-Snowflake Eel
-Giant Frogfish
-Blue Spot Puffer
-Yellow Choris (Canary) Wrasse
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