pencilfish造句

• It is a timid species compared to other similar species such as the various pencilfish.
• The adults grow to a maximum length of only 16 mm, making them one of the smallest pencilfish.
• The three-lined pencilfish is a small fish, with adults not reaching more than 6 cm in length.
• Most pencilfish possess distinct daytime and nighttime color patterns, and " N . trifasciatus " is no exception.
• Though the one-lined pencilfish is a small fish, with adults not reaching more than 7 cm in length, it is nevertheless one of the largest species of " Nannostomus ".
• The gill cover and dorsal, pelvic, anal, and caudal fins possess red blotches, varying in size depending on the population . " N . trifasciatus " has often been confused in aquarium literature with " N . marginatus " which is also a three-striped pencilfish; however, the latter species can be distinguished by its smaller size and blockier profile.
• All of the species in this genus are known as "'pencil fish "'or "'pencilfish "', a popular name that was first only applied to two species in the 1920s, " Nannostomus unifasciatus " and " Nannostomus eques ", but by the late 1950s would come to be applied to all members of the genus.