Species New to Science's Journal
 
 [Most Recent Entries] [Calendar View]

Saturday, November 15th, 2014

    Time Event
    3:00a
    [Ichthyology • 2014] Mugilogobius hitam • A New Species of Freshwater Goby (Teleostei: Gobioidei: Gobiidae) from Lake Towuti, central Sulawesi, Indonesia

    Black Towuti Goby | Mugilogobius hitam
    Larson, Geiger, Hadiaty & Herder, 2014

    Abstract
    A new species of Mugilogobius is described from Lake Towuti, central Sulawesi, diagnosed by its possession of a distinct transverse sensory papilla pattern on the cheek, overall blackish colour on head, body and fins and relatively large adult size for the genus. Although it may superficially resemble the black goby Mugilogobius amadi from Lake Poso, M. hitam, new species, lacks the numerous predorsal scales (22–36 in M. amadi versus 17–19), high second dorsal fin ray count (I,9, usually I,10, versus I,7–8) and narrow head and protruding chin of M. amadi. Cytochrome c oxidase subunit 1 (COI) data provide clear support for the species status of M. hitam, new species,
    indicate that all the Malili Lakes Mugilogobius may well represent a species flock and place M. sarasinorum from Lake Poso as its most likely sister taxon. In addition to the tectonic lake species, we report the occurrence of M. latifrons in streams of the Malili Lakes drainage.

    Key words. Mugilogobius, Gobiidae, taxonomy, Sulawesi, Lake Towuti, freshwater fish, endemism


    Helen K. Larson, Matthias F. Geiger, Renny Kurnia Hadiaty and Fabian Herder. 2014. Mugilogobius hitam, A New Species of Freshwater Goby (Teleostei: Gobioidei: Gobiidae) from Lake Towuti, central Sulawesi, Indonesia. RAFFLES BULLETIN OF ZOOLOGY. 62: 718–725. 


    Mugilogobius fasciatus Larson, 2001
    Mugilogobius filifer Larson, 2001 (Threadfin mangrove goby) 
    Mugilogobius littoralis Larson, 2001 (Beachrock mangrove goby) 
    Mugilogobius lepidotus Larson, 2001
    Mugilogobius rexi Larson, 2001
    Mugilogobius rivulus Larson, 2001 (Drain mangrove goby) 
    Mugilogobius tigrinus Larson, 2001
    Mugilogobius wilsoni Larson, 2001 (Wilson's mangrove goby) 

    Mugilogobius nuicocensis V. H. Nguyễn & V. B. Vo, 2005 
    7:39a
    [Botany • 2014] Trachycarpus ravenii • A New Species (Arecaceae, Corypheae) from Vientiane province of central Laos


    Trachycarpus ravenii Aver. & K. S. Nguyen
    [left] Natural habitats of Trachycarpus ravenii sp. nov. in central Laos (Vientiane province, Kasi district). (a) primary intact semideciduous forest on steep slopes of Phachao Mountain at elevation 1650–1700 m a.s.l. (Namken village area) || photo by N. S. Khang 
    [upper right] Male specimen, [lower right] Female specimen || photos by L. Averyanov
     DOI: 10.1111/j.1756-1051.2013.00304.x | rufford.org

    A new species Trachycarpus ravenii discovered in Kasi district, Vientiane province of central Laos is described and illustrated. Morphologically, it is closest to T. oreophilus and T. princeps, but differs by having a shorter stem of mature plants; glabrous, dull green petiole; almost circular leaf blade, waxy bluish–white abaxially; narrow leaf segments with narrow free lobes densely adpressed to each other, as well as in oblique-round apices of median leaf segments.

    Figure 1. Trachycarpus ravenii sp. nov.
    Male specimen, d-exsiccates of Vietnamese flora 200/LA-VN 725.
    All photos and design by L. Averyanov
    Figure 2. Trachycarpus ravenii sp. nov.
    Female specimen, d-exsiccates of Vietnamese flora 201/LA-VN 726.
    All photos and design by L. Averyanov.

    Figure 3. Natural habitats of Trachycarpus ravenii sp. nov. in central Laos (Vientiane province, Kasi district).
     (a) primary intact semideciduous forest on steep slopes of Phachao Mountain at elevation 1650–1700 m a.s.l. (Namken village area), (b) forestless mountain slopes with rocky limestone outcrops among secondary grasslands and open secondary scrub at elevation about 1700 m a.s.l. (Thong Mout village area).
    All photos by N. S. Khang | DOI: 10.1111/j.1756-1051.2013.00304.x

    Averyanov, L. V., Nguyen, K. S., Nguyen, T. H., Pham, T. V. and Lorphengsy, S. 2014. Trachycarpus ravenii sp. nov. (Arecaceae, Corypheae) from central Laos. Nordic Journal of Botany. 32(5); 563–568. doi: 10.1111/j.1756-1051.2013.00304.x

    << Previous Day 2014/11/15
    [Calendar]     		Next Day >>

Species New to Science   About LJ.Rossia.org