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Callogobius pilosimentum is found in shelters or near shelters on small sandy areas (about 0.5-1 m in diameter) on steep slopes, sometimes at the base of coral reefs, in enclosed areas of bays and lagoons.
The basic coloration of the goby is brown to dark brown with lighter spots, or pale grayish-brown with up to five dark brown speckled vertical bars on the body and dark brown blotchy patterns of varying contrast on the head.
When visible, body stripes appear as follows: an irregular stripe may extend dorsally across the operculum and pectoral-fin base and is slightly depressed on the first dorsal-fin spine; a broad stripe extends beneath the first dorsal fin; two broad, slightly oblique bars extend beneath the middle and posterior portions of the second dorsal fin.
A narrow stripe surrounds the posterior caudal peduncle, the edge of the hypural plate, and the proximal portions of the caudal fin.
The underside of the head is light brown or darker, and the rows of papillae may have a strong contrast in color.
First dorsal fin with dark brown basal spot centered on fourth ray and continuing with dark body stripe; may have yellow markings on distal margin.
First and second dorsal fins dark brown with irregular, oblique, light bands or rows of spots; some
Individuals with irregular dark and light markings;
Caudal fin is dark brown, usually with light spots, the irregular bars.
Pelvic and anal fins are dark or dark brown with or without lighter spots; pectoral fin with dark, irregular bands
or rows of spots and a dark central stripe at the base.
Etymology. The species name is derived from the Latin pilosus meaning “hairy” and mentum meaning “chin”,
referring to the extra rows of papillae on the chin. Specific epithet to be treated as a noun in apposition. Suggested
common name: hairy-chinned flapheaded goby.
Literature reference:
Authors: Delventhal, Naomi, Mooi, Randall, Bogorodsky, Sergey, Mal, Ahmad, 2016/10/31
A review of the Callogobius (Teleostei: Gobiidae) from the Red Sea with the description of a new species
DOI - 10.11646/zootaxa.4179.2.3
https://www.researchgate.net/publication/309566461_A_review_of_the_Callogobius_Teleostei_Gobiidae_from_the_Red_Sea_with_the_description_of_a_new_species/citation/download
Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0
Jumping guard
A jumping guard prevents (nocturnal) fish from jumping out.
Wrasses, blennies, hawkfishs and gobies jump out of an unprotected tank in fright if their night rest is disturbed, unfortunately these jumpers are found dried up in the morning on carpets, glass edges or later behind the tank.
https://www.korallenriff.de/en/article/1925_5_Jump_Protection_Solutions_for_Fish_in_the_Aquarium__5_Net_Covers.html
A small night light also helps, as it provides the fish with a means of orientation in the dark!
The basic coloration of the goby is brown to dark brown with lighter spots, or pale grayish-brown with up to five dark brown speckled vertical bars on the body and dark brown blotchy patterns of varying contrast on the head.
When visible, body stripes appear as follows: an irregular stripe may extend dorsally across the operculum and pectoral-fin base and is slightly depressed on the first dorsal-fin spine; a broad stripe extends beneath the first dorsal fin; two broad, slightly oblique bars extend beneath the middle and posterior portions of the second dorsal fin.
A narrow stripe surrounds the posterior caudal peduncle, the edge of the hypural plate, and the proximal portions of the caudal fin.
The underside of the head is light brown or darker, and the rows of papillae may have a strong contrast in color.
First dorsal fin with dark brown basal spot centered on fourth ray and continuing with dark body stripe; may have yellow markings on distal margin.
First and second dorsal fins dark brown with irregular, oblique, light bands or rows of spots; some
Individuals with irregular dark and light markings;
Caudal fin is dark brown, usually with light spots, the irregular bars.
Pelvic and anal fins are dark or dark brown with or without lighter spots; pectoral fin with dark, irregular bands
or rows of spots and a dark central stripe at the base.
Etymology. The species name is derived from the Latin pilosus meaning “hairy” and mentum meaning “chin”,
referring to the extra rows of papillae on the chin. Specific epithet to be treated as a noun in apposition. Suggested
common name: hairy-chinned flapheaded goby.
Literature reference:
Authors: Delventhal, Naomi, Mooi, Randall, Bogorodsky, Sergey, Mal, Ahmad, 2016/10/31
A review of the Callogobius (Teleostei: Gobiidae) from the Red Sea with the description of a new species
DOI - 10.11646/zootaxa.4179.2.3
https://www.researchgate.net/publication/309566461_A_review_of_the_Callogobius_Teleostei_Gobiidae_from_the_Red_Sea_with_the_description_of_a_new_species/citation/download
Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0
Jumping guard
A jumping guard prevents (nocturnal) fish from jumping out.
Wrasses, blennies, hawkfishs and gobies jump out of an unprotected tank in fright if their night rest is disturbed, unfortunately these jumpers are found dried up in the morning on carpets, glass edges or later behind the tank.
https://www.korallenriff.de/en/article/1925_5_Jump_Protection_Solutions_for_Fish_in_the_Aquarium__5_Net_Covers.html
A small night light also helps, as it provides the fish with a means of orientation in the dark!
