A) Bright coloration B) Barbels around their mouth C) Adipose fin D) Dorsal fin with spines
A) Square and flat B) Rounded and globular C) Elongated and cylindrical D) Compressed and disc-shaped
A) They spend most of their time near the bottom of the tank/river. B) They are always aggressive. C) They only eat food that floats on the surface. D) They require extremely bright lighting.
A) Below the eye B) On the belly C) On the dorsal fin D) On the tail fin
A) Defense B) Sensing prey C) Attracting mates D) Digging in the substrate
A) Cobitidae B) Gastromyzontidae C) Nemacheilidae D) Botiidae
A) Loud vocalizations B) Surface swimming C) Aggressive schooling D) Hiding
A) Cobitidae B) Balitoridae C) Botiidae D) Nemacheilidae
A) Botiidae have no barbels. B) Botiidae are always tiny. C) Cobitidae typically have smaller suborbital spines. D) Cobitidae are always brightly colored.
A) Brackish estuaries B) Fast-flowing rivers C) Deep lakes D) Stagnant ponds
A) Psuedonemacheilidae B) Cobitidae C) Botiidae D) Balitoridae/Gastromyzontidae
A) Bright colors B) Flattened body C) Lack of scales D) Large dorsal fin
A) Yoyo Loach (Botia almorhae) B) Kuhli Loach (Pangio kuhlii) C) Clown Loach (Chromobotia macracanthus) D) Dwarf Chain Loach (Ambastaia sidthimunki)
A) Chromobotia B) Yasuhikotakia C) Botia D) Pangio
A) Body markings B) Number of barbels C) Water temperature preference (general fish keeping) D) Body shape
A) A preference for same-sex partners B) Differences in appearance between males and females C) Lack of reproductive organs D) The ability to change sex
A) Differences in body shape or coloration B) Males having longer barbels C) Only males having a suborbital spine D) Females being smaller than males
A) To impress other hobbyists B) To provide appropriate care and tank conditions C) To win fish competitions D) Because all loaches are venomous
A) Smooth sand or gravel B) Crushed coral C) No substrate D) Sharp gravel
A) Fin rot B) Dropsy C) Swim bladder disease D) Ich (white spot disease)
A) Dwarf Loaches B) Clown Loaches C) Giant Loaches D) Tiger Loaches
A) They only eat algae B) Omnivorous, eating a variety of foods C) Strictly herbivorous D) Strictly carnivorous
A) Nemacheilidae B) Cobitidae C) Gastromyzontidae D) Botiidae
A) Often have dark vertical bands. B) They are only found in South America. C) Have no barbels. D) Always bright red in color.
A) Active and alert behavior B) Loss of appetite C) Lethargic and hiding constantly D) Erratic swimming
A) Whether the fish are brightly colored B) Aggressiveness to keep the loaches in check C) Size differences, the larger the better D) Loaches' peaceful nature and similar water parameter requirements
A) By producing oxygen for other fish B) They don't contribute to the ecosystem. C) By scavenging for leftover food and detritus D) By controlling algae growth
A) Sensitivity to medications and poor water quality B) They require saltwater. C) Overeating and obesity D) Aggression towards tank mates |