Cat-eLog Right Loricariidae Right Hypostominae Right Lasiancistrus  |  | 

Down Cat-eLog Data Sheet
Scientific Name Lasiancistrus planiceps  (Meek & Hildebrand, 1913)
Common Name
Type Locality Rio Tuyra, Boca de Cupe, Panama.
Pronunciation LASS ee an SISS truss
Etymology Greek, lasios, -a, -on = hairy + Greek, agkistron = hook 
Down Species Information
Size 198mm or 7.8" SL. Find near, nearer or same sized spp.
Identification Adult Lasiancistrus can be separated from all other loricariids by the presence of whisker-like odontodes on the cheeks. In addition, they have evertible cheek odontodes; three rows of plates on the caudal peduncle; and a modified, bar-shaped opercle. The caudal fin is slightly emarginate to forked, with the lower lobe longer than upper. Nuptial males have tentacules on the pectoral-fin spines longer than their associated odontodes; and transluscent tentacules on the snout that have odontodes associated with them. Nuptial males lack hypertrophied odontodes on top of the head and lack long, bristle-like odontodes on the leading edge of the pectoral-fin spine.

Head 2.7 to 2.8; depth 6.2 to 6.6; D. I, 8; A. I, 3; lateral scutes 24 to 26. Body depressed anteriorly, rounded to compressed posteriorly; width of head 1.2 to 1.3 in its length; depth of head 2.4; eye 7.4 to 8.5; interorbital 2.3 to 2.4; mandibular ramus 6.5 to 8.0; snout 1.6 to 1.8 in head; head without ridges, the median portion of the snout elevated; sides of snout margined with bristles; interoperculum movable, armed with about 28 spines, capable of being everted and nearly concealed under edge of operculum, the longest spine 3.5 to 4.2 in head; scutes spinulose, not carinated; 6 scutes between dorsal and adipose fins, 11 between anal and caudal; supraoccipital scute bordered by median scute and 2 lateral ones ; lower surface of head and abdomen naked ; first dorsal ray 1.1 to 1.4 in head; base of dorsal 1.7 to 1.8, equaling its distance from adipose fin; pectoral spine extending to distal fourth of ventral, its length .9 to 1.0 in head; caudal obliquely truncate; depth of caudal peduncle 3.6 to 4.0 in head, its depth in its length 3.1. Color: dark, uniform, fins all spotted with blue to bluish white; abdomen and under side of head with or without light spots.
Sexing Snout of nuptial males almost square (vs. rounded in females and juveniles). Adult males of most species (except Lasiancistrus tentaculatus) with whisker-like odontodes at anterolateral corner of snout; males of L. tentaculatus have tentacules instead of whisker-like odontodes along anterior margin of snout. Nuptial males have tentacules longer than their associated odontodes on the pectoral-fin spine.
General Remarks This species is considered by some to be a synonym of Lasiancistrus caucanus. However the distribution of this species is inconsistent with the distribution of L. caucanus. Until more specimens can be examined across the range and this issue resolved, L. planiceps is being listed as a unique species.
Down Habitat Information
Distribution Rio Tuyra, Boca de Cupe, Panama.
Panama Pacific Rivers, Tuira (click on these areas to find other species found there)

Log in to view data on a map.
IUCN Red List Category Not Evaluated
Down Husbandry Information
Breeding Reports There is no breeding report.
Down Further Information
Reference Meek & Hildebrand. 1913. Field Museum of Natural History, Publications, Zoölogical Series v. 10 (no. 8): 77-91.
Registered Keepers There is but a single registered keeper, view all "my cats" data.
Wishlists Love this species? Click the heart to add it to your wish list.
There is but a single wish to keep this species, see who wants what.
Spotters Spotted this species somewhere? Click the binoculars!
There are 3 records of this fish being seen, view them all.
Forum BBCode
Search for L. planiceps
Look up AquaticRepublic.com Look up L. planiceps on AquaticRepublic.com
Look up on Fishbase Look up L. planiceps on Fishbase
Look up on Encyclopedia of Life Look up L. planiceps on Encyclopedia of Life
Look up on Global Biodiversity Information Facility Look up L. planiceps on Global Biodiversity Information Facility
Lasiancistrus planiceps QR code LFS label creator
Last Update 2017 Jan 07 02:24 (species record created: 2011 Dec 16 19:19)