Scuba Diving from the Marshall Islands, Kwajalein Atoll Marshall Islands Emon Nursery 16 August 2026

Kwajalein Atoll Marshall Islands Emon Nursery 16 August 2026 Timeline: 00:05 Moorish Idols 01:10 The fish in the image is the humuhumunukunukuāpuaʻa (also known as the reef triggerfish or rectangular triggerfish), which is the official state fish of Hawaii.Key CharacteristicsHawaiian Name Meaning: Literally translates to "triggerfish with a snout like a pig". This is because it makes a distinct grunting noise like a pig when it is threatened or taken out of the water.Pronunciation: HOO-moo-HOO-moo-NEW-koo-NEW-koo-AH-poo-AH-ah.Defensive Trait: It has a unique locking spine on its dorsal fin. When threatened, it dives into tight reef crevices and locks the spine upward to wedge itself securely into place.Temperament: Highly territorial and aggressive. They will fiercely guard their shallow coral reef nests and are known to bite snorklers and swimmers who get too close. also known as the Picasso triggerfish, displaying its distinctive diagonal black and blue stripes. 00:14 a bright yellow female phase of the Slingjaw Wrasse (Epibulus insidiator), a tropical Indo-Pacific reef fish known for its uniquely specialized jaw swims over other reef fish. Color Phases: Females display a striking bright yellow or dark brown morph, while males are typically darker with a pale head band 00:38 a map pufferfish (Arothron mappa), get cleaned distinguished by its intricate, maze-like "scribbled" or map-like pattern of dark lines across its body and a characteristic dark ring or blotch surrounding the gill opening. 01:24 a dense school of common bluestripe snapper (Lutjanus kasmira), featuring bright yellow bodies marked with distinct horizontal blue-to-white stripes 02:00 look in the center for a juvenile emperor angelfish (Pomacanthus imperator), easily recognized by its striking dark blue-black body marked with concentric white and electric blue circular rings near the tail.Distinctive Appearance: Juveniles feature a mesmerizing pattern of electric blue, white, and black concentric circles that look like a fingerprint or spiral wheel.Color Transformation: As they mature into adults, this circular pattern completely disappears and is replaced by brilliant horizontal yellow and blue stripes with a dark eye mask surrounded by bright blue damselfish, which strongly resembles a Blue Damselfish and glassy sweepers. 02:13 The juvenile emperor angelfish is lower right of center. 02:27 The juvenile emperor angelfish is lower right just a little higher right of center. 02:40 centered juvenile emperor angelfish 03:57 a moray eel (Gymnothorax undulatus) or a closely related species like the yellow-edged moray (Gymnothorax flavimarginatus) peeking out from a rocky coral crevice underwater. Appearance: Features a mottled, brownish-green patterned body with distinct dark markings, prominent oval eyes, and slightly agape jaws showing small teeth. Behavior: Moray eels commonly spend daylight hours hiding in reef crevices, holes, or coral rubble with only their heads exposed to watch for passing prey. 04:07 A Patch of coral with Humbugs, damsels, glassy sweepers, Threadfin Butterflies, and a peacock grouper. 04:35 a Candy Cane Shrimp (more formally known as a Banded Coral Shrimp or Stenopus hispidus).Identification & FeaturesDistinct Markings: It gets its festive name from the striking, alternating bright red and white bands along its body and long legs.Long Antennae: The fine, white, sweeping lines extending across the rocks are its exceptionally long antennae, which it uses to navigate tight reef spaces.Reef Role: In the wild, these crustaceans operate as dedicated cleaner organisms, using their small claws to safely pluck parasites and dead skin off passing reef fish, the juvenile emperor angelfish, and a Photobombing peacock Grouper. 06:08 Closeup of the juvenile emperor angelfish 06:12 a scrimp cleans a moray eel 06:21 a red lionfish (Pterois volitans) featuring long, fan-like pectoral fins and distinctive reddish-brown and white vertical stripes. It appears near a sandy seabed and coral formation. Key Characteristics Appearance: Covered in bold red, maroon, or brown bands alternating with white stripes. Spines: Equipped with 18 venomous spines (including 13 in the dorsal fin) used for defensive deterrence. 06:41 a vibrant shallow-water reef dominated by branching stony coral colonies (likely Porites cylindrica or similar branching hard corals) teeming with small reef fish like damselfish over a sandy bottom.Coral Structure: Dense, finger-like or branching columnar coral heads forming micro-atolls or thickets that create complex 3D habitats.Marine Life: Numerous small, bluish-silver reef damselfish hover and dart among the branches.Habitat: Shallow lagoon with sandy channels weaving between the coral mounds.